Part 2/3 (GL) of adding with device scale factor to transport surfaces

content/common/gpu/texture_image_transport_surface.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_COMMON_GPU_TEXTURE_IMAGE_TRANSPORT_SURFACE_H_
 #define CONTENT_COMMON_GPU_TEXTURE_IMAGE_TRANSPORT_SURFACE_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 36 matching lines @@
   virtual void SetFrontbufferAllocation(bool allocated) OVERRIDE;
   virtual void* GetShareHandle() OVERRIDE;
   virtual void* GetDisplay() OVERRIDE;
   virtual void* GetConfig() OVERRIDE;
 
  protected:
   // ImageTransportSurface implementation.
   virtual void OnBufferPresented(
       const AcceleratedSurfaceMsg_BufferPresented_Params& params) OVERRIDE;
   virtual void OnResizeViewACK() OVERRIDE;
-  virtual void OnResize(gfx::Size size) OVERRIDE;
+  virtual void OnResize(gfx::Size size, float scale_factor) OVERRIDE;
   virtual void SetLatencyInfo(
       const cc::LatencyInfo& latency_info) OVERRIDE;
 
   // GpuCommandBufferStub::DestructionObserver implementation.
   virtual void OnWillDestroyStub() OVERRIDE;
 
  private:
 
   gfx::Size backbuffer_size() const {
     return gfx::Size(backbuffer_->level_infos()[0][0].width,
@@ skipping 18 matching lines @@
   // The current backbuffer.
   scoped_ptr<gpu::gles2::TextureDefinition> backbuffer_;
 
   // The mailbox name for the current backbuffer texture. Needs to be unique per
   // GL texture and is invalid while service_id is zero.
   gpu::gles2::MailboxName mailbox_name_;
 
   // The current size of the GLSurface. Used to disambiguate from the current
   // texture size which might be outdated (since we use two buffers).
   gfx::Size current_size_;
+  float scale_factor_;
 
   // Whether or not the command buffer stub has been destroyed.
   bool stub_destroyed_;
 
   bool backbuffer_suggested_allocation_;
   bool frontbuffer_suggested_allocation_;
 
   scoped_ptr<ImageTransportHelper> helper_;
   gfx::GLSurfaceHandle handle_;
 
@@ skipping 13 matching lines @@
   // Holds a reference to the mailbox manager for cleanup.
   scoped_refptr<gpu::gles2::MailboxManager> mailbox_manager_;
 
   cc::LatencyInfo latency_info_;
   DISALLOW_COPY_AND_ASSIGN(TextureImageTransportSurface);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_GPU_TEXTURE_IMAGE_TRANSPORT_SURFACE_H_