Store physical backing size in ViewAndroid

content/browser/renderer_host/render_widget_host_view_android.h

 // 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.
 
 #ifndef CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_ANDROID_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_ANDROID_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 167 matching lines @@
   bool TransformPointToCoordSpaceForView(
       const gfx::Point& point,
       RenderWidgetHostViewBase* target_view,
       gfx::Point* transformed_point) override;
 
   // ui::ViewClient implementation.
   bool OnTouchEvent(const ui::MotionEventAndroid& m,
                     bool for_touch_handle) override;
   bool OnMouseEvent(const ui::MotionEventAndroid& m) override;
   bool OnMouseWheelEvent(const ui::MotionEventAndroid& event) override;
+  void OnPhysicalBackingSizeChanged() override;
 
   // ui::GestureProviderClient implementation.
   void OnGestureEvent(const ui::GestureEventData& gesture) override;
 
   // ui::WindowAndroidObserver implementation.
   void OnCompositingDidCommit() override {}
   void OnRootWindowVisibilityChanged(bool visible) override;
   void OnAttachCompositor() override;
   void OnDetachCompositor() override;
   void OnAnimate(base::TimeTicks begin_frame_time) override;
@@ skipping 227 matching lines @@
   base::ObserverList<DestructionObserver> destruction_observers_;
 
   base::WeakPtrFactory<RenderWidgetHostViewAndroid> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewAndroid);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_ANDROID_H_