Add fixed raster scale use counter histograms.

content/renderer/gpu/render_widget_compositor.cc

Index: content/renderer/gpu/render_widget_compositor.cc
diff --git a/content/renderer/gpu/render_widget_compositor.cc b/content/renderer/gpu/render_widget_compositor.cc
index 0aeb611d89446563f59e58f35fbe128d5843f66b..5d5a155fd8bb862eded50bc4198fd932c7ae2e14 100644
--- a/content/renderer/gpu/render_widget_compositor.cc
+++ b/content/renderer/gpu/render_widget_compositor.cc
@@ -998,6 +998,13 @@ void RenderWidgetCompositor::DidCompletePageScaleAnimation() {
   delegate_->DidCompletePageScaleAnimation();
 }
 
+void RenderWidgetCompositor::ReportFixedRasterScaleUseCounters(
+    bool has_blurry_content,
+    bool has_potential_performance_regression) {
+  delegate_->ReportFixedRasterScaleUseCounters(
+      has_blurry_content, has_potential_performance_regression);
+}
+
 void RenderWidgetCompositor::RequestScheduleAnimation() {
   delegate_->RequestScheduleAnimation();
 }