Remove unnecessary diffs from libchrome.

- Update build_config.h.
- platform_test.h had a modification to support Mac tests. Because we drop
  Mac host support, that change is no longer needed.

Bug: 73270448
Test: Treehugger.
Change-Id: I82affa36a4e055368f08ee7554e38eedc61fa6e1

2 files changed, 37 insertions, 10 deletions

diff --git a/build/build_config.h b/build/build_config.h
index 80a93d3d43..219b0e2ad9 100644
--- a/build/build_config.h
+++ b/build/build_config.h
@@ -6,6 +6,7 @@
 //  Operating System:
 //    OS_WIN / OS_MACOSX / OS_LINUX / OS_POSIX (MACOSX or LINUX) /
 //    OS_NACL (NACL_SFI or NACL_NONSFI) / OS_NACL_SFI / OS_NACL_NONSFI
+//    OS_CHROMEOS is set by the build system
 //  Compiler:
 //    COMPILER_MSVC / COMPILER_GCC
 //  Processor:
@@ -84,9 +85,10 @@
 #endif
 #elif defined(_WIN32)
 #define OS_WIN 1
-#define TOOLKIT_VIEWS 1
 #elif defined(__FreeBSD__)
 #define OS_FREEBSD 1
+#elif defined(__NetBSD__)
+#define OS_NETBSD 1
 #elif defined(__OpenBSD__)
 #define OS_OPENBSD 1
 #elif defined(__sun)
@@ -103,15 +105,16 @@
 
 // For access to standard BSD features, use OS_BSD instead of a
 // more specific macro.
-#if defined(OS_FREEBSD) || defined(OS_OPENBSD)
+#if defined(OS_FREEBSD) || defined(OS_NETBSD) || defined(OS_OPENBSD)
 #define OS_BSD 1
 #endif
 
 // For access to standard POSIXish features, use OS_POSIX instead of a
 // more specific macro.
 #if defined(OS_MACOSX) || defined(OS_LINUX) || defined(OS_FREEBSD) ||     \
-    defined(OS_OPENBSD) || defined(OS_SOLARIS) || defined(OS_ANDROID) ||  \
-    defined(OS_NACL) || defined(OS_QNX)
+    defined(OS_NETBSD) || defined(OS_OPENBSD) || defined(OS_SOLARIS) ||   \
+    defined(OS_ANDROID) || defined(OS_OPENBSD) || defined(OS_SOLARIS) ||  \
+    defined(OS_ANDROID) || defined(OS_NACL) || defined(OS_QNX)
 #define OS_POSIX 1
 #endif
 
@@ -144,6 +147,31 @@
 #define ARCH_CPU_X86 1
 #define ARCH_CPU_32_BITS 1
 #define ARCH_CPU_LITTLE_ENDIAN 1
+#elif defined(__s390x__)
+#define ARCH_CPU_S390_FAMILY 1
+#define ARCH_CPU_S390X 1
+#define ARCH_CPU_64_BITS 1
+#define ARCH_CPU_BIG_ENDIAN 1
+#elif defined(__s390__)
+#define ARCH_CPU_S390_FAMILY 1
+#define ARCH_CPU_S390 1
+#define ARCH_CPU_31_BITS 1
+#define ARCH_CPU_BIG_ENDIAN 1
+#elif defined(__PPC64__) && defined(__BIG_ENDIAN__)
+#define ARCH_CPU_PPC64_FAMILY 1
+#define ARCH_CPU_PPC64 1
+#define ARCH_CPU_64_BITS 1
+#define ARCH_CPU_BIG_ENDIAN 1
+#elif defined(__PPC64__) && defined(__LITTLE_ENDIAN__)
+#define ARCH_CPU_PPC64_FAMILY 1
+#define ARCH_CPU_PPC64 1
+#define ARCH_CPU_64_BITS 1
+#define ARCH_CPU_LITTLE_ENDIAN 1
+#elif defined(__PPC__)
+#define ARCH_CPU_PPC_FAMILY 1
+#define ARCH_CPU_PPC 1
+#define ARCH_CPU_32_BITS 1
+#define ARCH_CPU_BIG_ENDIAN 1
 #elif defined(__ARMEL__)
 #define ARCH_CPU_ARM_FAMILY 1
 #define ARCH_CPU_ARMEL 1
diff --git a/testing/platform_test.h b/testing/platform_test.h
index 04fc845bd9..f993864d61 100644
--- a/testing/platform_test.h
+++ b/testing/platform_test.h
@@ -8,11 +8,7 @@
 #include <gtest/gtest.h>
 
 #if defined(GTEST_OS_MAC)
-#ifdef __OBJC__
-@class NSAutoreleasePool;
-#else
-class NSAutoreleasePool;
-#endif
+#include <objc/objc.h>
 
 // The purpose of this class us to provide a hook for platform-specific
 // operations across unit tests.  For example, on the Mac, it creates and
@@ -27,7 +23,10 @@ class PlatformTest : public testing::Test {
   PlatformTest();
 
  private:
-  NSAutoreleasePool* pool_;
+  // |pool_| is a NSAutoreleasePool, but since this header may be imported from
+  // files built with Objective-C ARC that forbids explicit usage of
+  // NSAutoreleasePools, it is declared as id here.
+  id pool_;
 };
 #else
 typedef testing::Test PlatformTest;