Store physical backing size in ViewAndroid

content/browser/renderer_host/render_widget_host_view_android.cc

Index: content/browser/renderer_host/render_widget_host_view_android.cc
diff --git a/content/browser/renderer_host/render_widget_host_view_android.cc b/content/browser/renderer_host/render_widget_host_view_android.cc
index 3d5e597188c7408a5d07df7f34927b96ab9a78e0..25f4c777f7d1bfaf4ac6c3960e0533ab340080ee 100644
--- a/content/browser/renderer_host/render_widget_host_view_android.cc
+++ b/content/browser/renderer_host/render_widget_host_view_android.cc
@@ -676,7 +676,7 @@ gfx::Size RenderWidgetHostViewAndroid::GetPhysicalBackingSize() const {
                      default_bounds_.bottom() * scale_factor);
   }
 
-  return content_view_core_->GetPhysicalBackingSize();
+  return view_.GetPhysicalBackingSize();
 }
 
 bool RenderWidgetHostViewAndroid::DoBrowserControlsShrinkBlinkSize() const {
@@ -1978,6 +1978,10 @@ void RenderWidgetHostViewAndroid::OnGestureEvent(
   SendGestureEvent(web_gesture);
 }
 
+void RenderWidgetHostViewAndroid::OnPhysicalBackingSizeChanged() {
+  WasResized();
+}
+
 void RenderWidgetHostViewAndroid::OnContentViewCoreDestroyed() {
   SetContentViewCore(NULL);
   overscroll_controller_.reset();