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-rw-r--r--base/test/trace_to_file.cc104
1 files changed, 0 insertions, 104 deletions
diff --git a/base/test/trace_to_file.cc b/base/test/trace_to_file.cc
deleted file mode 100644
index e00b58ae03..0000000000
--- a/base/test/trace_to_file.cc
+++ /dev/null
@@ -1,104 +0,0 @@
-// Copyright (c) 2014 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/test/trace_to_file.h"
-
-#include "base/base_switches.h"
-#include "base/bind.h"
-#include "base/command_line.h"
-#include "base/files/file_util.h"
-#include "base/run_loop.h"
-#include "base/trace_event/trace_event_impl.h"
-
-namespace base {
-namespace test {
-
-TraceToFile::TraceToFile() : started_(false) {
-}
-
-TraceToFile::~TraceToFile() {
- EndTracingIfNeeded();
-}
-
-void TraceToFile::BeginTracingFromCommandLineOptions() {
- DCHECK(CommandLine::InitializedForCurrentProcess());
- DCHECK(!started_);
-
- if (!CommandLine::ForCurrentProcess()->HasSwitch(switches::kTraceToFile))
- return;
-
- // Empty filter (i.e. just --trace-to-file) turns into default categories in
- // TraceEventImpl
- std::string filter = CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
- switches::kTraceToFile);
-
- FilePath path;
- if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kTraceToFileName)) {
- path = FilePath(CommandLine::ForCurrentProcess()
- ->GetSwitchValuePath(switches::kTraceToFileName));
- } else {
- path = FilePath(FILE_PATH_LITERAL("trace.json"));
- }
-
- BeginTracing(path, filter);
-}
-
-void TraceToFile::BeginTracing(const FilePath& path,
- const std::string& categories) {
- DCHECK(!started_);
- started_ = true;
- path_ = path;
- WriteFileHeader();
-
- trace_event::TraceLog::GetInstance()->SetEnabled(
- trace_event::TraceConfig(categories, trace_event::RECORD_UNTIL_FULL),
- trace_event::TraceLog::RECORDING_MODE);
-}
-
-void TraceToFile::WriteFileHeader() {
- const char str[] = "{\"traceEvents\": [";
- WriteFile(path_, str, static_cast<int>(strlen(str)));
-}
-
-void TraceToFile::AppendFileFooter() {
- const char str[] = "]}";
- AppendToFile(path_, str, static_cast<int>(strlen(str)));
-}
-
-void TraceToFile::TraceOutputCallback(const std::string& data) {
- bool ret = AppendToFile(path_, data.c_str(), static_cast<int>(data.size()));
- DCHECK(ret);
-}
-
-static void OnTraceDataCollected(
- Closure quit_closure,
- trace_event::TraceResultBuffer* buffer,
- const scoped_refptr<RefCountedString>& json_events_str,
- bool has_more_events) {
- buffer->AddFragment(json_events_str->data());
- if (!has_more_events)
- quit_closure.Run();
-}
-
-void TraceToFile::EndTracingIfNeeded() {
- if (!started_)
- return;
- started_ = false;
-
- trace_event::TraceLog::GetInstance()->SetDisabled();
-
- trace_event::TraceResultBuffer buffer;
- buffer.SetOutputCallback(
- Bind(&TraceToFile::TraceOutputCallback, Unretained(this)));
-
- RunLoop run_loop;
- trace_event::TraceLog::GetInstance()->Flush(
- Bind(&OnTraceDataCollected, run_loop.QuitClosure(), Unretained(&buffer)));
- run_loop.Run();
-
- AppendFileFooter();
-}
-
-} // namespace test
-} // namespace base