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

content/common/gpu/image_transport_surface_win.cc

 // 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.
 
 #include "content/common/gpu/image_transport_surface.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 29 matching lines @@
   virtual bool PostSubBuffer(int x, int y, int width, int height) OVERRIDE;
   virtual std::string GetExtensions() OVERRIDE;
   virtual bool SetBackbufferAllocation(bool allocated) OVERRIDE;
   virtual void SetFrontbufferAllocation(bool allocated) 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&) OVERRIDE;
   virtual gfx::Size GetSize() OVERRIDE;
 
  private:
   virtual ~PbufferImageTransportSurface();
   void SendBuffersSwapped();
   void DestroySurface();
 
   // Tracks the current buffer allocation state.
   bool backbuffer_suggested_allocation_;
@@ skipping 151 matching lines @@
   if (did_unschedule_) {
     did_unschedule_ = false;
     helper_->SetScheduled(true);
   }
 }
 
 void PbufferImageTransportSurface::OnResizeViewACK() {
   NOTREACHED();
 }
 
-void PbufferImageTransportSurface::OnResize(gfx::Size size) {
+void PbufferImageTransportSurface::OnResize(gfx::Size size,
+                                            float scale_factor) {
   DCHECK(backbuffer_suggested_allocation_);
   DCHECK(frontbuffer_suggested_allocation_);
   Resize(size);
 
   DestroySurface();
 
   visible_size_ = size;
 }
 
 void PbufferImageTransportSurface::SetLatencyInfo(
@@ skipping 37 matching lines @@
 
   scoped_refptr<gfx::GLSurface> surface =
       gfx::GLSurface::CreateViewGLSurface(false, handle.handle);
   if (!surface)
     return surface;
   return scoped_refptr<gfx::GLSurface>(new PassThroughImageTransportSurface(
       manager, stub, surface.get(), handle.is_transport()));
 }
 
 }  // namespace content