Initial support for Renderer Side Histograms...

chrome/renderer/renderer_main.cc

Index: chrome/renderer/renderer_main.cc
===================================================================
--- chrome/renderer/renderer_main.cc	(revision 10329)
+++ chrome/renderer/renderer_main.cc	(working copy)
@@ -3,6 +3,7 @@
 // found in the LICENSE file.
 
 #include "base/command_line.h"
+#include "base/histogram.h"
 #include "base/message_loop.h"
 #include "base/path_service.h"
 #include "base/platform_thread.h"
@@ -89,6 +90,13 @@
 
   HandleRendererErrorTestParameters(parsed_command_line);
 
+  // Initialize histogram statistics gathering system.
+  // Don't create StatisticsRecorde in the single process mode.
+  scoped_ptr<StatisticsRecorder> statistics;
+  if (!StatisticsRecorder::WasStarted()) {
+    statistics.reset(new StatisticsRecorder());
+  }
+
   {
     RenderProcess render_process;
     bool run_loop = true;