Snap for 7550930 from 0d51dc717edd4d97116b47bc156e83b8fa193d3d to mainline-resolv-releaseandroid-mainline-12.0.0_r94android-mainline-12.0.0_r80android-mainline-12.0.0_r65android-mainline-12.0.0_r52android-mainline-12.0.0_r35android-mainline-12.0.0_r16android-mainline-12.0.0_r124android-mainline-12.0.0_r108android12-mainline-resolv-release

Change-Id: Iad3a6d62027423628ce57b38935084364a4de147

1 files changed, 392 insertions, 0 deletions

diff --git a/base/trace_event/memory_infra_background_whitelist.cc b/base/trace_event/memory_infra_background_whitelist.cc
new file mode 100644
index 0000000000..40f5ac8ccc
--- /dev/null
+++ b/base/trace_event/memory_infra_background_whitelist.cc
@@ -0,0 +1,392 @@
+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "base/trace_event/memory_infra_background_whitelist.h"
+
+#include <ctype.h>
+#include <string.h>
+
+#include <string>
+
+#include "base/strings/string_util.h"
+
+namespace base {
+namespace trace_event {
+namespace {
+
+// The names of dump providers whitelisted for background tracing. Dump
+// providers can be added here only if the background mode dump has very
+// little processor and memory overhead.
+// TODO(ssid): Some dump providers do not create ownership edges on background
+// dump. So, the effective size will not be correct.
+const char* const kDumpProviderWhitelist[] = {
+    "android::ResourceManagerImpl",
+    "AutocompleteController",
+    "BlinkGC",
+    "BlinkObjectCounters",
+    "BlobStorageContext",
+    "ClientDiscardableSharedMemoryManager",
+    "DOMStorage",
+    "DownloadService",
+    "DiscardableSharedMemoryManager",
+    "gpu::BufferManager",
+    "gpu::RenderbufferManager",
+    "gpu::TextureManager",
+    "FontCaches",
+    "HistoryReport",
+    "IPCChannel",
+    "IndexedDBBackingStore",
+    "InMemoryURLIndex",
+    "JavaHeap",
+    "LevelDB",
+    "LeveldbValueStore",
+    "LocalStorage",
+    "Malloc",
+    "MemoryCache",
+    "MojoHandleTable",
+    "MojoLevelDB",
+    "MojoMessages",
+    "PartitionAlloc",
+    "ProcessMemoryMetrics",
+    "RenderProcessHost",
+    "SharedMemoryTracker",
+    "Skia",
+    "Sql",
+    "URLRequestContext",
+    "V8Isolate",
+    "SyncDirectory",
+    "TabRestoreServiceHelper",
+    nullptr  // End of list marker.
+};
+
+// A list of string names that are allowed for the memory allocator dumps in
+// background mode.
+const char* const kAllocatorDumpNameWhitelist[] = {
+    "blink_gc",
+    "blink_gc/allocated_objects",
+    "blink_objects/AdSubframe",
+    "blink_objects/AudioHandler",
+    "blink_objects/DetachedScriptState",
+    "blink_objects/Document",
+    "blink_objects/Frame",
+    "blink_objects/JSEventListener",
+    "blink_objects/LayoutObject",
+    "blink_objects/MediaKeySession",
+    "blink_objects/MediaKeys",
+    "blink_objects/Node",
+    "blink_objects/Resource",
+    "blink_objects/RTCPeerConnection",
+    "blink_objects/ScriptPromise",
+    "blink_objects/PausableObject",
+    "blink_objects/V8PerContextData",
+    "blink_objects/WorkerGlobalScope",
+    "blink_objects/UACSSResource",
+    "blink_objects/ResourceFetcher",
+    "components/download/controller_0x?",
+    "discardable",
+    "discardable/child_0x?",
+    "extensions/value_store/Extensions.Database.Open.Settings/0x?",
+    "extensions/value_store/Extensions.Database.Open.Rules/0x?",
+    "extensions/value_store/Extensions.Database.Open.State/0x?",
+    "extensions/value_store/Extensions.Database.Open/0x?",
+    "extensions/value_store/Extensions.Database.Restore/0x?",
+    "extensions/value_store/Extensions.Database.Value.Restore/0x?",
+    "font_caches/font_platform_data_cache",
+    "font_caches/shape_caches",
+    "gpu/gl/buffers/share_group_0x?",
+    "gpu/gl/renderbuffers/share_group_0x?",
+    "gpu/gl/textures/share_group_0x?",
+    "history/delta_file_service/leveldb_0x?",
+    "history/usage_reports_buffer/leveldb_0x?",
+    "java_heap",
+    "java_heap/allocated_objects",
+    "leveldatabase",
+    "leveldatabase/block_cache/browser",
+    "leveldatabase/block_cache/in_memory",
+    "leveldatabase/block_cache/unified",
+    "leveldatabase/block_cache/web",
+    "leveldatabase/db_0x?",
+    "leveldatabase/db_0x?/block_cache",
+    "leveldatabase/memenv_0x?",
+    "malloc",
+    "malloc/allocated_objects",
+    "malloc/metadata_fragmentation_caches",
+    "mojo",
+    "mojo/data_pipe_consumer",
+    "mojo/data_pipe_producer",
+    "mojo/invitation",
+    "mojo/messages",
+    "mojo/message_pipe",
+    "mojo/platform_handle",
+    "mojo/queued_ipc_channel_message/0x?",
+    "mojo/render_process_host/0x?",
+    "mojo/shared_buffer",
+    "mojo/unknown",
+    "mojo/watcher",
+    "net/http_network_session_0x?",
+    "net/http_network_session_0x?/quic_stream_factory",
+    "net/http_network_session_0x?/socket_pool",
+    "net/http_network_session_0x?/spdy_session_pool",
+    "net/http_network_session_0x?/stream_factory",
+    "net/ssl_session_cache",
+    "net/url_request_context",
+    "net/url_request_context/app_request",
+    "net/url_request_context/app_request/0x?",
+    "net/url_request_context/app_request/0x?/cookie_monster",
+    "net/url_request_context/app_request/0x?/cookie_monster/cookies",
+    "net/url_request_context/app_request/0x?/cookie_monster/"
+    "tasks_pending_global",
+    "net/url_request_context/app_request/0x?/cookie_monster/"
+    "tasks_pending_for_key",
+    "net/url_request_context/app_request/0x?/http_cache",
+    "net/url_request_context/app_request/0x?/http_cache/memory_backend",
+    "net/url_request_context/app_request/0x?/http_cache/simple_backend",
+    "net/url_request_context/app_request/0x?/http_network_session",
+    "net/url_request_context/extensions",
+    "net/url_request_context/extensions/0x?",
+    "net/url_request_context/extensions/0x?/cookie_monster",
+    "net/url_request_context/extensions/0x?/cookie_monster/cookies",
+    "net/url_request_context/extensions/0x?/cookie_monster/"
+    "tasks_pending_global",
+    "net/url_request_context/extensions/0x?/cookie_monster/"
+    "tasks_pending_for_key",
+    "net/url_request_context/extensions/0x?/http_cache",
+    "net/url_request_context/extensions/0x?/http_cache/memory_backend",
+    "net/url_request_context/extensions/0x?/http_cache/simple_backend",
+    "net/url_request_context/extensions/0x?/http_network_session",
+    "net/url_request_context/isolated_media",
+    "net/url_request_context/isolated_media/0x?",
+    "net/url_request_context/isolated_media/0x?/cookie_monster",
+    "net/url_request_context/isolated_media/0x?/cookie_monster/cookies",
+    "net/url_request_context/isolated_media/0x?/cookie_monster/"
+    "tasks_pending_global",
+    "net/url_request_context/isolated_media/0x?/cookie_monster/"
+    "tasks_pending_for_key",
+    "net/url_request_context/isolated_media/0x?/http_cache",
+    "net/url_request_context/isolated_media/0x?/http_cache/memory_backend",
+    "net/url_request_context/isolated_media/0x?/http_cache/simple_backend",
+    "net/url_request_context/isolated_media/0x?/http_network_session",
+    "net/url_request_context/main",
+    "net/url_request_context/main/0x?",
+    "net/url_request_context/main/0x?/cookie_monster",
+    "net/url_request_context/main/0x?/cookie_monster/cookies",
+    "net/url_request_context/main/0x?/cookie_monster/tasks_pending_global",
+    "net/url_request_context/main/0x?/cookie_monster/tasks_pending_for_key",
+    "net/url_request_context/main/0x?/http_cache",
+    "net/url_request_context/main/0x?/http_cache/memory_backend",
+    "net/url_request_context/main/0x?/http_cache/simple_backend",
+    "net/url_request_context/main/0x?/http_network_session",
+    "net/url_request_context/main_media",
+    "net/url_request_context/main_media/0x?",
+    "net/url_request_context/main_media/0x?/cookie_monster",
+    "net/url_request_context/main_media/0x?/cookie_monster/cookies",
+    "net/url_request_context/main_media/0x?/cookie_monster/"
+    "tasks_pending_global",
+    "net/url_request_context/main_media/0x?/cookie_monster/"
+    "tasks_pending_for_key",
+    "net/url_request_context/main_media/0x?/http_cache",
+    "net/url_request_context/main_media/0x?/http_cache/memory_backend",
+    "net/url_request_context/main_media/0x?/http_cache/simple_backend",
+    "net/url_request_context/main_media/0x?/http_network_session",
+    "net/url_request_context/proxy",
+    "net/url_request_context/proxy/0x?",
+    "net/url_request_context/proxy/0x?/cookie_monster",
+    "net/url_request_context/proxy/0x?/cookie_monster/cookies",
+    "net/url_request_context/proxy/0x?/cookie_monster/tasks_pending_global",
+    "net/url_request_context/proxy/0x?/cookie_monster/tasks_pending_for_key",
+    "net/url_request_context/proxy/0x?/http_cache",
+    "net/url_request_context/proxy/0x?/http_cache/memory_backend",
+    "net/url_request_context/proxy/0x?/http_cache/simple_backend",
+    "net/url_request_context/proxy/0x?/http_network_session",
+    "net/url_request_context/safe_browsing",
+    "net/url_request_context/safe_browsing/0x?",
+    "net/url_request_context/safe_browsing/0x?/cookie_monster",
+    "net/url_request_context/safe_browsing/0x?/cookie_monster/cookies",
+    "net/url_request_context/safe_browsing/0x?/cookie_monster/"
+    "tasks_pending_global",
+    "net/url_request_context/safe_browsing/0x?/cookie_monster/"
+    "tasks_pending_for_key",
+    "net/url_request_context/safe_browsing/0x?/http_cache",
+    "net/url_request_context/safe_browsing/0x?/http_cache/memory_backend",
+    "net/url_request_context/safe_browsing/0x?/http_cache/simple_backend",
+    "net/url_request_context/safe_browsing/0x?/http_network_session",
+    "net/url_request_context/system",
+    "net/url_request_context/system/0x?",
+    "net/url_request_context/system/0x?/cookie_monster",
+    "net/url_request_context/system/0x?/cookie_monster/cookies",
+    "net/url_request_context/system/0x?/cookie_monster/tasks_pending_global",
+    "net/url_request_context/system/0x?/cookie_monster/tasks_pending_for_key",
+    "net/url_request_context/system/0x?/http_cache",
+    "net/url_request_context/system/0x?/http_cache/memory_backend",
+    "net/url_request_context/system/0x?/http_cache/simple_backend",
+    "net/url_request_context/system/0x?/http_network_session",
+    "net/url_request_context/unknown",
+    "net/url_request_context/unknown/0x?",
+    "net/url_request_context/unknown/0x?/cookie_monster",
+    "net/url_request_context/unknown/0x?/cookie_monster/cookies",
+    "net/url_request_context/unknown/0x?/cookie_monster/tasks_pending_global",
+    "net/url_request_context/unknown/0x?/cookie_monster/tasks_pending_for_key",
+    "net/url_request_context/unknown/0x?/http_cache",
+    "net/url_request_context/unknown/0x?/http_cache/memory_backend",
+    "net/url_request_context/unknown/0x?/http_cache/simple_backend",
+    "net/url_request_context/unknown/0x?/http_network_session",
+    "omnibox/autocomplete_controller/0x?",
+    "omnibox/in_memory_url_index/0x?",
+    "web_cache/Image_resources",
+    "web_cache/CSS stylesheet_resources",
+    "web_cache/Script_resources",
+    "web_cache/XSL stylesheet_resources",
+    "web_cache/Font_resources",
+    "web_cache/Other_resources",
+    "partition_alloc/allocated_objects",
+    "partition_alloc/partitions",
+    "partition_alloc/partitions/array_buffer",
+    "partition_alloc/partitions/buffer",
+    "partition_alloc/partitions/fast_malloc",
+    "partition_alloc/partitions/layout",
+    "skia/sk_glyph_cache",
+    "skia/sk_resource_cache",
+    "sqlite",
+    "ui/resource_manager_0x?/default_resource/0x?",
+    "ui/resource_manager_0x?/tinted_resource",
+    "v8/isolate_0x?/contexts/detached_context",
+    "v8/isolate_0x?/contexts/native_context",
+    "v8/isolate_0x?/heap_spaces",
+    "v8/isolate_0x?/heap_spaces/code_space",
+    "v8/isolate_0x?/heap_spaces/large_object_space",
+    "v8/isolate_0x?/heap_spaces/map_space",
+    "v8/isolate_0x?/heap_spaces/new_space",
+    "v8/isolate_0x?/heap_spaces/new_large_object_space",
+    "v8/isolate_0x?/heap_spaces/old_space",
+    "v8/isolate_0x?/heap_spaces/read_only_space",
+    "v8/isolate_0x?/malloc",
+    "v8/isolate_0x?/zapped_for_debug",
+    "site_storage/blob_storage/0x?",
+    "site_storage/index_db/db_0x?",
+    "site_storage/index_db/memenv_0x?",
+    "site_storage/localstorage/0x?/cache_size",
+    "site_storage/localstorage/0x?/leveldb",
+    "site_storage/session_storage/0x?",
+    "site_storage/session_storage/0x?/cache_size",
+    "sync/0x?/kernel",
+    "sync/0x?/store",
+    "sync/0x?/model_type/APP",
+    "sync/0x?/model_type/APP_LIST",
+    "sync/0x?/model_type/APP_NOTIFICATION",
+    "sync/0x?/model_type/APP_SETTING",
+    "sync/0x?/model_type/ARC_PACKAGE",
+    "sync/0x?/model_type/ARTICLE",
+    "sync/0x?/model_type/AUTOFILL",
+    "sync/0x?/model_type/AUTOFILL_PROFILE",
+    "sync/0x?/model_type/AUTOFILL_WALLET",
+    "sync/0x?/model_type/BOOKMARK",
+    "sync/0x?/model_type/DEVICE_INFO",
+    "sync/0x?/model_type/DICTIONARY",
+    "sync/0x?/model_type/EXPERIMENTS",
+    "sync/0x?/model_type/EXTENSION",
+    "sync/0x?/model_type/EXTENSION_SETTING",
+    "sync/0x?/model_type/FAVICON_IMAGE",
+    "sync/0x?/model_type/FAVICON_TRACKING",
+    "sync/0x?/model_type/HISTORY_DELETE_DIRECTIVE",
+    "sync/0x?/model_type/MANAGED_USER",
+    "sync/0x?/model_type/MANAGED_USER_SETTING",
+    "sync/0x?/model_type/MANAGED_USER_SHARED_SETTING",
+    "sync/0x?/model_type/MANAGED_USER_WHITELIST",
+    "sync/0x?/model_type/MOUNTAIN_SHARE",
+    "sync/0x?/model_type/NIGORI",
+    "sync/0x?/model_type/PASSWORD",
+    "sync/0x?/model_type/PREFERENCE",
+    "sync/0x?/model_type/PRINTER",
+    "sync/0x?/model_type/PRIORITY_PREFERENCE",
+    "sync/0x?/model_type/READING_LIST",
+    "sync/0x?/model_type/SEARCH_ENGINE",
+    "sync/0x?/model_type/SESSION",
+    "sync/0x?/model_type/SYNCED_NOTIFICATION",
+    "sync/0x?/model_type/SYNCED_NOTIFICATION_APP_INFO",
+    "sync/0x?/model_type/THEME",
+    "sync/0x?/model_type/TYPED_URL",
+    "sync/0x?/model_type/USER_CONSENT",
+    "sync/0x?/model_type/USER_EVENT",
+    "sync/0x?/model_type/WALLET_METADATA",
+    "sync/0x?/model_type/WIFI_CREDENTIAL",
+    "tab_restore/service_helper_0x?/entries",
+    "tab_restore/service_helper_0x?/entries/tab_0x?",
+    "tab_restore/service_helper_0x?/entries/window_0x?",
+    "tracing/heap_profiler_blink_gc/AllocationRegister",
+    "tracing/heap_profiler_malloc/AllocationRegister",
+    "tracing/heap_profiler_partition_alloc/AllocationRegister",
+    nullptr  // End of list marker.
+};
+
+const char* const* g_dump_provider_whitelist = kDumpProviderWhitelist;
+const char* const* g_allocator_dump_name_whitelist =
+    kAllocatorDumpNameWhitelist;
+
+bool IsMemoryDumpProviderInList(const char* mdp_name, const char* const* list) {
+  for (size_t i = 0; list[i] != nullptr; ++i) {
+    if (strcmp(mdp_name, list[i]) == 0)
+      return true;
+  }
+  return false;
+}
+
+}  // namespace
+
+bool IsMemoryDumpProviderWhitelisted(const char* mdp_name) {
+  return IsMemoryDumpProviderInList(mdp_name, g_dump_provider_whitelist);
+}
+
+bool IsMemoryAllocatorDumpNameWhitelisted(const std::string& name) {
+  // Global dumps are explicitly whitelisted for background use.
+  if (base::StartsWith(name, "global/", CompareCase::SENSITIVE)) {
+    for (size_t i = strlen("global/"); i < name.size(); i++)
+      if (!base::IsHexDigit(name[i]))
+        return false;
+    return true;
+  }
+
+  if (base::StartsWith(name, "shared_memory/", CompareCase::SENSITIVE)) {
+    for (size_t i = strlen("shared_memory/"); i < name.size(); i++)
+      if (!base::IsHexDigit(name[i]))
+        return false;
+    return true;
+  }
+
+  // Remove special characters, numbers (including hexadecimal which are marked
+  // by '0x') from the given string.
+  const size_t length = name.size();
+  std::string stripped_str;
+  stripped_str.reserve(length);
+  bool parsing_hex = false;
+  for (size_t i = 0; i < length; ++i) {
+    if (parsing_hex && isxdigit(name[i]))
+      continue;
+    parsing_hex = false;
+    if (i + 1 < length && name[i] == '0' && name[i + 1] == 'x') {
+      parsing_hex = true;
+      stripped_str.append("0x?");
+      ++i;
+    } else {
+      stripped_str.push_back(name[i]);
+    }
+  }
+
+  for (size_t i = 0; g_allocator_dump_name_whitelist[i] != nullptr; ++i) {
+    if (stripped_str == g_allocator_dump_name_whitelist[i]) {
+      return true;
+    }
+  }
+  return false;
+}
+
+void SetDumpProviderWhitelistForTesting(const char* const* list) {
+  g_dump_provider_whitelist = list;
+}
+
+void SetAllocatorDumpNameWhitelistForTesting(const char* const* list) {
+  g_allocator_dump_name_whitelist = list;
+}
+
+}  // namespace trace_event
+}  // namespace base