Enforce constant size and device scale factor for surfaces

android_webview/browser/surfaces_instance.h

 // Copyright 2016 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 ANDROID_WEBVIEW_BROWSER_SURFACES_INSTANCE_H_
 #define ANDROID_WEBVIEW_BROWSER_SURFACES_INSTANCE_H_
 
 #include <memory>
 #include <vector>
 
@@ skipping 53 matching lines @@
       const cc::RenderPassList& render_passes) override {}
   void DisplayDidDrawAndSwap() override {}
 
   // cc::CompositorFrameSinkSupportClient implementation.
   void DidReceiveCompositorFrameAck(
       const cc::ReturnedResourceArray& resources) override;
   void OnBeginFrame(const cc::BeginFrameArgs& args) override;
   void WillDrawSurface(const cc::LocalSurfaceId& local_surface_id,
                        const gfx::Rect& damage_rect) override;
   void ReclaimResources(const cc::ReturnedResourceArray& resources) override;
+  void DidRejectCompositorFrame() override;
 
   void SetSolidColorRootFrame();
 
   cc::FrameSinkIdAllocator frame_sink_id_allocator_;
 
   cc::FrameSinkId frame_sink_id_;
 
   std::unique_ptr<cc::SurfaceManager> surface_manager_;
   std::unique_ptr<cc::BeginFrameSource> begin_frame_source_;
   std::unique_ptr<cc::Display> display_;
   std::unique_ptr<cc::LocalSurfaceIdAllocator> local_surface_id_allocator_;
   std::unique_ptr<cc::CompositorFrameSinkSupport> support_;
 
   cc::LocalSurfaceId root_id_;
   std::vector<cc::SurfaceId> child_ids_;
 
   // This is owned by |display_|.
   ParentOutputSurface* output_surface_;
 
   gfx::Size surface_size_;
 
   DISALLOW_COPY_AND_ASSIGN(SurfacesInstance);
 };
 
 }  // namespace android_webview
 
 #endif  // ANDROID_WEBVIEW_BROWSER_SURFACES_INSTANCE_H_