Part 3/3 (RWH/IOSurface) of adding with device scale factor to transport surfaces

content/common/gpu/texture_image_transport_surface.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/texture_image_transport_surface.h"
 
 #include <string>
 #include <vector>
 
 #include "base/command_line.h"
@@ skipping 196 matching lines @@
     return true;
 
   if (!backbuffer_->service_id()) {
     LOG(ERROR) << "Swap without valid backing.";
     return true;
   }
 
   DCHECK(backbuffer_size() == current_size_);
   GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params params;
   params.size = backbuffer_size();
+  params.scale_factor = scale_factor_;
   params.mailbox_name.assign(
       reinterpret_cast<const char*>(&mailbox_name_), sizeof(mailbox_name_));
 
   glFlush();
   ProduceTexture();
 
   // Do not allow destruction while we are still waiting for a swap ACK,
   // so we do not leak a texture in the mailbox.
   AddRef();
 
@@ skipping 18 matching lines @@
     return true;
 
   if (!backbuffer_->service_id()) {
     LOG(ERROR) << "Swap without valid backing.";
     return true;
   }
 
   DCHECK(current_size_ == backbuffer_size());
   GpuHostMsg_AcceleratedSurfacePostSubBuffer_Params params;
   params.surface_size = backbuffer_size();
+  params.surface_scale_factor = scale_factor_;
   params.x = x;
   params.y = y;
   params.width = width;
   params.height = height;
   params.mailbox_name.assign(
       reinterpret_cast<const char*>(&mailbox_name_), sizeof(mailbox_name_));
 
   glFlush();
   ProduceTexture();
 
@@ skipping 232 matching lines @@
       GL_TEXTURE_2D,
       mailbox_name_,
       backbuffer_.release(),
       NULL);
   DCHECK(success);
   mailbox_name_ = MailboxName();
   backbuffer_.reset(CreateTextureDefinition(gfx::Size(), 0));
 }
 
 }  // namespace content