cc: Remove main thread rendering stats

cc/trees/single_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/single_thread_proxy.h"
 
 #include "base/auto_reset.h"
 #include "base/debug/trace_event.h"
 #include "cc/debug/benchmark_instrumentation.h"
 #include "cc/output/context_provider.h"
@@ skipping 194 matching lines @@
     UpdateBackgroundAnimateTicking();
 
 #if DCHECK_IS_ON
     // In the single-threaded case, the scale and scroll deltas should never be
     // touched on the impl layer tree.
     scoped_ptr<ScrollAndScaleSet> scroll_info =
         layer_tree_host_impl_->ProcessScrollDeltas();
     DCHECK(!scroll_info->scrolls.size());
     DCHECK_EQ(1.f, scroll_info->page_scale_delta);
 #endif
-
-    RenderingStatsInstrumentation* stats_instrumentation =
-        layer_tree_host_->rendering_stats_instrumentation();
-    benchmark_instrumentation::IssueMainThreadRenderingStatsEvent(
-        stats_instrumentation->main_thread_rendering_stats());
-    stats_instrumentation->AccumulateAndClearMainThreadStats();
   }
 
   if (layer_tree_host_->settings().impl_side_painting) {
     // TODO(enne): just commit directly to the active tree.
     //
     // Synchronously activate during commit to satisfy any potential
     // SetNextCommitWaitsForActivation calls.  Unfortunately, the tree
     // might not be ready to draw, so DidActivateSyncTree must set
     // the flag to force the tree to not draw until textures are ready.
     NotifyReadyToActivate();
@@ skipping 559 matching lines @@
 
 base::TimeDelta SingleThreadProxy::CommitToActivateDurationEstimate() {
   return timing_history_.CommitToActivateDurationEstimate();
 }
 
 void SingleThreadProxy::DidBeginImplFrameDeadline() {
   layer_tree_host_impl_->ResetCurrentBeginFrameArgsForNextFrame();
 }
 
 }  // namespace cc