Add fixed raster scale use counter histograms.

content/renderer/render_widget.cc

 // Copyright (c) 2012 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 "content/renderer/render_widget.h"
 
 #include <memory>
 #include <utility>
 
 #include "base/auto_reset.h"
@@ skipping 897 matching lines @@
   // The UpdateTextInputState can result in further layout and possibly
   // enable GPU acceleration so they need to be called before any painting
   // is done.
   UpdateTextInputState(ShowIme::HIDE_IME, ChangeSource::FROM_NON_IME);
   UpdateSelectionBounds();
 
   FOR_EACH_OBSERVER(RenderFrameProxy, render_frame_proxies_,
                     WillBeginCompositorFrame());
 }
 
+void RenderWidget::ReportFixedRasterScaleUseCounters(
+    bool has_blurry_content,
+    bool has_potential_performance_regression) {
+  webwidget_->reportFixedRasterScaleUseCounters(
+      has_blurry_content, has_potential_performance_regression);
+}
+
 ///////////////////////////////////////////////////////////////////////////////
 // RenderWidgetInputHandlerDelegate
 
 void RenderWidget::FocusChangeComplete() {
   if (owner_delegate_)
     owner_delegate_->RenderWidgetFocusChangeComplete();
 }
 
 bool RenderWidget::HasTouchEventHandlersAt(const gfx::Point& point) const {
   if (owner_delegate_)
@@ skipping 1159 matching lines @@
 }
 
 float RenderWidget::GetOriginalDeviceScaleFactor() const {
   return
       screen_metrics_emulator_ ?
       screen_metrics_emulator_->original_screen_info().deviceScaleFactor :
       device_scale_factor_;
 }
 
 }  // namespace content