Add fixed raster scale use counter histograms.

cc/test/layer_tree_test.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/test/layer_tree_test.h"
 
 #include "base/command_line.h"
 #include "base/location.h"
 #include "base/memory/ptr_util.h"
 #include "base/single_thread_task_runner.h"
@@ skipping 375 matching lines @@
 
   void DidCompleteSwapBuffers() override {
     test_hooks_->DidCompleteSwapBuffers();
   }
 
   void DidPostSwapBuffers() override {}
   void DidAbortSwapBuffers() override {}
   void RequestScheduleComposite() override { test_hooks_->ScheduleComposite(); }
   void DidCompletePageScaleAnimation() override {}
   void BeginMainFrameNotExpectedSoon() override {}
+  void ReportFixedRasterScaleUseCounters(
+      bool has_blurry_content,
+      bool has_potential_performance_regression) override {}
 
  private:
   explicit LayerTreeHostClientForTesting(TestHooks* test_hooks)
       : test_hooks_(test_hooks) {}
 
   TestHooks* test_hooks_;
 };
 
 // Adapts LayerTreeHost for test. Injects LayerTreeHostImplForTesting.
 class LayerTreeHostForTesting : public LayerTreeHost {
@@ skipping 622 matching lines @@
 
 RemoteChannelImplForTest* LayerTreeTest::GetRemoteChannelImplForTest() const {
   DCHECK(IsRemoteTest());
   DCHECK(remote_client_layer_tree_host_);
 
   return static_cast<RemoteChannelImplForTest*>(
       remote_client_layer_tree_host_->proxy());
 }
 
 }  // namespace cc