cc: Remove main thread rendering stats

cc/trees/thread_proxy.cc

 // Copyright 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 "cc/trees/thread_proxy.h"
 
 #include <algorithm>
 #include <string>
 
 #include "base/auto_reset.h"
@@ skipping 833 matching lines @@
         blocking_main_thread_task_runner());
 
     CompletionEvent completion;
     Proxy::ImplThreadTaskRunner()->PostTask(
         FROM_HERE,
         base::Bind(&ThreadProxy::StartCommitOnImplThread,
                    impl_thread_weak_ptr_,
                    &completion,
                    queue.release()));
     completion.Wait();
-
-    RenderingStatsInstrumentation* stats_instrumentation =
-        layer_tree_host()->rendering_stats_instrumentation();
-    benchmark_instrumentation::IssueMainThreadRenderingStatsEvent(
-        stats_instrumentation->main_thread_rendering_stats());
-    stats_instrumentation->AccumulateAndClearMainThreadStats();
   }
 
   layer_tree_host()->CommitComplete();
   layer_tree_host()->DidBeginMainFrame();
 }
 
 void ThreadProxy::StartCommitOnImplThread(CompletionEvent* completion,
                                           ResourceUpdateQueue* raw_queue) {
   TRACE_EVENT0("cc", "ThreadProxy::StartCommitOnImplThread");
   DCHECK(!impl().commit_completion_event);
@@ skipping 492 matching lines @@
 
   impl().timing_history.DidActivateSyncTree();
 }
 
 void ThreadProxy::DidManageTiles() {
   DCHECK(IsImplThread());
   impl().scheduler->DidManageTiles();
 }
 
 }  // namespace cc