Adding UMA for sync IPCs

content/renderer/renderer_webkitplatformsupport_impl.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 "content/renderer/renderer_webkitplatformsupport_impl.h"
 
 #include "base/command_line.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/platform_file.h"
 #include "base/shared_memory.h"
 #include "base/utf_string_conversions.h"
 #include "content/common/database_util.h"
 #include "content/common/fileapi/webblobregistry_impl.h"
 #include "content/common/fileapi/webfilesystem_impl.h"
 #include "content/common/file_utilities_messages.h"
 #include "content/common/indexed_db/proxy_webidbfactory_impl.h"
 #include "content/common/mime_registry_messages.h"
 #include "content/common/npobject_util.h"
 #include "content/common/view_messages.h"
 #include "content/common/webmessageportchannel_impl.h"
+#include "content/public/browser/user_metrics.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/common/gpu_info.h"
 #include "content/public/renderer/content_renderer_client.h"
 #include "content/renderer/dom_storage/webstoragenamespace_impl.h"
 #include "content/renderer/gamepad_shared_memory_reader.h"
 #include "content/renderer/media/audio_device.h"
 #include "content/renderer/media/audio_hardware.h"
 #include "content/renderer/media/renderer_webaudiodevice_impl.h"
 #include "content/renderer/render_thread_impl.h"
 #include "content/renderer/render_view_impl.h"
@@ skipping 181 matching lines @@
   // Even if the sandbox is disabled, there's no reason why the code should
   // act any differently...unless we're in single process mode.  In which
   // case, we have no other choice.  WebKitPlatformSupport.h discourages using
   // this switch unless absolutely necessary, so hopefully we won't end up
   // with too many code paths being different in single-process mode.
   return !CommandLine::ForCurrentProcess()->HasSwitch(switches::kSingleProcess);
 }
 
 bool RendererWebKitPlatformSupportImpl::SendSyncMessageFromAnyThread(
     IPC::SyncMessage* msg) {
+  content::RecordAction(UserMetricsAction("SendSyncIPC_Renderer"));
+
   RenderThreadImpl* render_thread = RenderThreadImpl::current();
   if (render_thread)
     return render_thread->Send(msg);
 
   scoped_refptr<IPC::SyncMessageFilter> sync_msg_filter(
       ChildThread::current()->sync_message_filter());
   return sync_msg_filter->Send(msg);
 }
 
 unsigned long long RendererWebKitPlatformSupportImpl::visitedLinkHash(
@@ skipping 500 matching lines @@
   DCHECK(render_thread);
   if (!render_thread)
     return NULL;
   return render_thread->CreateMediaStreamCenter(client);
 }
 
 GpuChannelHostFactory*
 RendererWebKitPlatformSupportImpl::GetGpuChannelHostFactory() {
   return RenderThreadImpl::current();
 }