Temporarily revert 117127 for perf analysis.

base/threading/platform_thread_unittest.cc

Index: base/threading/platform_thread_unittest.cc
===================================================================
--- base/threading/platform_thread_unittest.cc	(revision 118117)
+++ base/threading/platform_thread_unittest.cc	(working copy)
@@ -1,8 +1,7 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 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/compiler_specific.h"
 #include "base/threading/platform_thread.h"
 
 #include "testing/gtest/include/gtest/gtest.h"
@@ -15,7 +14,7 @@
  public:
   TrivialThread() : did_run_(false) {}
 
-  virtual void ThreadMain() OVERRIDE {
+  virtual void ThreadMain() {
     did_run_ = true;
   }
 
@@ -57,14 +56,11 @@
  public:
   FunctionTestThread() : thread_id_(0) {}
 
-  virtual void ThreadMain() OVERRIDE {
+  virtual void ThreadMain() {
     thread_id_ = PlatformThread::CurrentId();
     PlatformThread::YieldCurrentThread();
     PlatformThread::Sleep(TimeDelta::FromMilliseconds(50));
 
-    // Make sure that the thread ID is the same across calls.
-    EXPECT_EQ(thread_id_, PlatformThread::CurrentId());
-
     TrivialThread::ThreadMain();
   }
 
@@ -87,9 +83,6 @@
   PlatformThread::Join(handle);
   ASSERT_TRUE(thread.did_run());
   EXPECT_NE(thread.thread_id(), main_thread_id);
-
-  // Make sure that the thread ID is the same across calls.
-  EXPECT_EQ(main_thread_id, PlatformThread::CurrentId());
 }
 
 TEST(PlatformThreadTest, FunctionTimesTen) {
@@ -107,15 +100,7 @@
   for (size_t n = 0; n < arraysize(thread); n++) {
     ASSERT_TRUE(thread[n].did_run());
     EXPECT_NE(thread[n].thread_id(), main_thread_id);
-
-    // Make sure no two threads get the same ID.
-    for (size_t i = 0; i < n; ++i) {
-      EXPECT_NE(thread[i].thread_id(), thread[n].thread_id());
-    }
   }
-
-  // Make sure that the thread ID is the same across calls.
-  EXPECT_EQ(main_thread_id, PlatformThread::CurrentId());
 }
 
 }  // namespace base