Histograms - Support histograms for Plugins, GPU

chrome/browser/renderer_host/chrome_render_message_filter.cc

Index: chrome/browser/renderer_host/chrome_render_message_filter.cc
===================================================================
--- chrome/browser/renderer_host/chrome_render_message_filter.cc	(revision 140625)
+++ chrome/browser/renderer_host/chrome_render_message_filter.cc	(working copy)
@@ -19,7 +19,6 @@
 #include "chrome/browser/extensions/extension_process_manager.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/extension_system.h"
-#include "chrome/browser/metrics/histogram_synchronizer.h"
 #include "chrome/browser/nacl_host/nacl_process_host.h"
 #include "chrome/browser/net/chrome_url_request_context.h"
 #include "chrome/browser/net/predictor.h"
@@ -73,8 +72,6 @@
     IPC_MESSAGE_HANDLER_DELAY_REPLY(ChromeViewHostMsg_LaunchNaCl, OnLaunchNaCl)
 #endif
     IPC_MESSAGE_HANDLER(ChromeViewHostMsg_DnsPrefetch, OnDnsPrefetch)
-    IPC_MESSAGE_HANDLER(ChromeViewHostMsg_RendererHistograms,
-                        OnRendererHistograms)
     IPC_MESSAGE_HANDLER(ChromeViewHostMsg_ResourceTypeStats,
                         OnResourceTypeStats)
     IPC_MESSAGE_HANDLER(ChromeViewHostMsg_UpdatedCacheStats,
@@ -169,12 +166,6 @@
     profile_->GetNetworkPredictor()->DnsPrefetchList(hostnames);
 }
 
-void ChromeRenderMessageFilter::OnRendererHistograms(
-    int sequence_number,
-    const std::vector<std::string>& histograms) {
-  HistogramSynchronizer::DeserializeHistogramList(sequence_number, histograms);
-}
-
 void ChromeRenderMessageFilter::OnResourceTypeStats(
     const WebCache::ResourceTypeStats& stats) {
   HISTOGRAM_COUNTS("WebCoreCache.ImagesSizeKB",