Remove a bunch of TOOLKIT_GTK in content/ and gpu/, as well as NPAPI plugins on linux

content/plugin/plugin_main.cc

 // Copyright (c) 2012 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 <windows.h>
 #endif
 
@@ skipping 20 matching lines @@
 
 namespace content {
 
 #if defined(OS_MACOSX)
 // Removes our Carbon library interposing from the environment so that it
 // doesn't carry into any processes that plugins might start.
 void TrimInterposeEnvironment();
 
 // Initializes the global Cocoa application object.
 void InitializeChromeApplication();
-#elif defined(OS_LINUX)
-// Work around an unimplemented instruction in 64-bit Flash.
-void WorkaroundFlashLAHF();
 #endif
 
 // main() routine for running as the plugin process.
 int PluginMain(const MainFunctionParams& parameters) {
   // The main thread of the plugin services UI.
 #if defined(OS_MACOSX)
 #if !defined(__LP64__)
   TrimInterposeEnvironment();
 #endif
   InitializeChromeApplication();
 #endif
   base::MessageLoopForUI main_message_loop;
   base::PlatformThread::SetName("CrPluginMain");
   base::debug::TraceLog::GetInstance()->SetProcessName("Plugin Process");
   base::debug::TraceLog::GetInstance()->SetProcessSortIndex(
       kTraceEventPluginProcessSortIndex);
 
   const CommandLine& parsed_command_line = parameters.command_line;
 
-#if defined(OS_LINUX)
-
-#if defined(ARCH_CPU_64_BITS)
-  WorkaroundFlashLAHF();
-#endif
-
-#elif defined(OS_WIN)
+#if defined(OS_WIN)
   base::win::ScopedCOMInitializer com_initializer;
 #endif
 
   if (parsed_command_line.HasSwitch(switches::kPluginStartupDialog)) {
     ChildProcess::WaitForDebugger("Plugin");
   }
 
   {
     ChildProcess plugin_process;
     plugin_process.set_main_thread(new PluginThread());
     base::HighResolutionTimerManager hi_res_timer_manager;
     base::MessageLoop::current()->Run();
   }
 
   return 0;
 }
 
 }  // namespace content