Add fixed raster scale use counter histograms.

cc/trees/proxy_impl.cc

 // Copyright 2015 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/proxy_impl.h"
 
 #include <algorithm>
 #include <string>
 
 #include "base/auto_reset.h"
@@ skipping 485 matching lines @@
   begin_main_frame_state->begin_frame_id = begin_frame_id;
   begin_main_frame_state->begin_frame_args = args;
   begin_main_frame_state->begin_frame_callbacks =
       layer_tree_host_impl_->ProcessLayerTreeMutations();
   begin_main_frame_state->scroll_info =
       layer_tree_host_impl_->ProcessScrollDeltas();
   begin_main_frame_state->memory_allocation_limit_bytes =
       layer_tree_host_impl_->memory_allocation_limit_bytes();
   begin_main_frame_state->evicted_ui_resources =
       layer_tree_host_impl_->EvictedUIResourcesExist();
+  begin_main_frame_state->has_fixed_raster_scale_blurry_content =
+      layer_tree_host_impl_->has_fixed_raster_scale_blurry_content();
+  begin_main_frame_state
+      ->has_fixed_raster_scale_potential_performance_regression =
+      layer_tree_host_impl_
+          ->HasFixedRasterScalePotentialPerformanceRegression();
   channel_impl_->BeginMainFrame(std::move(begin_main_frame_state));
   devtools_instrumentation::DidRequestMainThreadFrame(layer_tree_host_id_);
 }
 
 DrawResult ProxyImpl::ScheduledActionDrawAndSwapIfPossible() {
   TRACE_EVENT0("cc", "ProxyImpl::ScheduledActionDrawAndSwap");
   DCHECK(IsImplThread());
 
   // SchedulerStateMachine::DidDrawIfPossibleCompleted isn't set up to
   // handle DRAW_ABORTED_CANT_DRAW.  Moreover, the scheduler should
@@ skipping 145 matching lines @@
 bool ProxyImpl::IsMainThreadBlocked() const {
   return task_runner_provider_->IsMainThreadBlocked();
 }
 
 ProxyImpl::BlockedMainCommitOnly& ProxyImpl::blocked_main_commit() {
   DCHECK(IsMainThreadBlocked() && commit_completion_event_);
   return main_thread_blocked_commit_vars_unsafe_;
 }
 
 }  // namespace cc