Move platform_thread to base/threading and put in the base namespace. I left ...

chrome/plugin/plugin_main.cc

 // Copyright (c) 2010 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 "build/build_config.h"
 
 #if defined(OS_WIN)
 #include <objbase.h>
 #include <windows.h>
 #endif
 
 #include "app/hi_res_timer_manager.h"
 #include "app/system_monitor.h"
 #include "base/command_line.h"
 #include "base/message_loop.h"
 #include "base/string_util.h"
+#include "base/threading/platform_thread.h"
 #include "chrome/common/child_process.h"
 #include "chrome/common/chrome_constants.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/default_plugin.h"
 #include "chrome/common/gpu_plugin.h"
 #include "chrome/common/logging_chrome.h"
 #include "chrome/common/main_function_params.h"
 #include "chrome/plugin/plugin_thread.h"
 
 #if defined(OS_WIN)
@@ skipping 57 matching lines @@
 #endif
 
   // The main thread of the plugin services UI.
 #if defined(OS_MACOSX)
 #if !defined(__LP64__)
   TrimInterposeEnvironment();
 #endif
   InitializeChromeApplication();
 #endif
   MessageLoop main_message_loop(MessageLoop::TYPE_UI);
-  PlatformThread::SetName("CrPluginMain");
+  base::PlatformThread::SetName("CrPluginMain");
 
   SystemMonitor system_monitor;
   HighResolutionTimerManager high_resolution_timer_manager;
 
   const CommandLine& parsed_command_line = parameters.command_line_;
 
 #if defined(OS_LINUX)
 
 #if defined(ARCH_CPU_64_BITS)
   WorkaroundFlashLAHF();
@@ skipping 64 matching lines @@
 
     MessageLoop::current()->Run();
   }
 
 #if defined(OS_WIN)
   CoUninitialize();
 #endif
 
   return 0;
 }