Ensure Surface size always matches window size on swap

content/browser/compositor/gpu_process_transport_factory.h

Index: content/browser/compositor/gpu_process_transport_factory.h
diff --git a/content/browser/compositor/gpu_process_transport_factory.h b/content/browser/compositor/gpu_process_transport_factory.h
index 25cfbc0c53a82ba2a813371055bfb9697ba82a17..2608ff18211c87b6ab07a17a25e209eabe7ee661 100644
--- a/content/browser/compositor/gpu_process_transport_factory.h
+++ b/content/browser/compositor/gpu_process_transport_factory.h
@@ -56,6 +56,8 @@ class GpuProcessTransportFactory
   gpu::GpuMemoryBufferManager* GetGpuMemoryBufferManager() override;
   base::MessageLoopProxy* GetCompositorMessageLoop() override;
   scoped_ptr<cc::SurfaceIdAllocator> CreateSurfaceIdAllocator() override;
+  void ResizeDisplay(ui::Compositor* compositor,
+                     const gfx::Size& size) override;
 
   // ImageTransportFactory implementation.
   ui::ContextFactory* GetContextFactory() override;