Part 1/3 (compositor) of adding with device scale factor to transport surfaces

content/renderer/gpu/mailbox_output_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/renderer/gpu/mailbox_output_surface.h"
 
 #include "base/logging.h"
 #include "cc/output/compositor_frame.h"
 #include "cc/output/compositor_frame_ack.h"
 #include "cc/output/gl_frame_data.h"
@@ skipping 95 matching lines @@
     returned_textures_.pop();
   }
 
   if (fbo_) {
     context3d_->bindFramebuffer(GL_FRAMEBUFFER, fbo_);
     context3d_->deleteFramebuffer(fbo_);
     fbo_ = 0;
   }
 }
 
-void MailboxOutputSurface::Reshape(gfx::Size size) {
+void MailboxOutputSurface::Reshape(gfx::Size size, float scale_factor) {
   if (size == size_)
     return;
 
   size_ = size;
   DiscardBackbuffer();
   EnsureBackbuffer();
 }
 
 void MailboxOutputSurface::BindFramebuffer() {
   EnsureBackbuffer();
@@ skipping 90 matching lines @@
   context3d_->bindTexture(GL_TEXTURE_2D, frame.texture_id);
   context3d_->consumeTextureCHROMIUM(GL_TEXTURE_2D, frame.mailbox.name);
 }
 
 size_t MailboxOutputSurface::GetNumAcksPending() {
   DCHECK(pending_textures_.size());
   return pending_textures_.size() - 1;
 }
 
 }  // namespace content