Render Core Animation plugins through WebKit's compositor rather than

content/browser/plugin_process_host.cc

 // 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 "content/browser/plugin_process_host.h"
 
 #if defined(OS_WIN) && !defined(USE_AURA)
 #include <windows.h>
 #elif defined(OS_POSIX)
 #include <utility>  // for pair<>
@@ skipping 183 matching lines @@
   CommandLine* cmd_line = new CommandLine(exe_path);
   // Put the process type and plugin path first so they're easier to see
   // in process listings using native process management tools.
   cmd_line->AppendSwitchASCII(switches::kProcessType, switches::kPluginProcess);
   cmd_line->AppendSwitchPath(switches::kPluginPath, info.path);
 
   // Propagate the following switches to the plugin command line (along with
   // any associated values) if present in the browser command line
   static const char* const kSwitchNames[] = {
     switches::kDisableBreakpad,
+#if defined(OS_MACOSX)
+    switches::kDisableCompositedCoreAnimationPlugins,
+#endif
     switches::kDisableLogging,
     switches::kEnableDCHECK,
     switches::kEnableLogging,
     switches::kEnableStatsTable,
     switches::kFullMemoryCrashReport,
     switches::kLoggingLevel,
     switches::kLogPluginMessages,
     switches::kNoSandbox,
     switches::kPluginStartupDialog,
     switches::kTestSandbox,
@@ skipping 199 matching lines @@
 }
 
 void PluginProcessHost::OnChannelCreated(
     const IPC::ChannelHandle& channel_handle) {
   Client* client = sent_requests_.front();
 
   if (client)
     client->OnChannelOpened(channel_handle);
   sent_requests_.pop_front();
 }