Remove TextureImageTransportSurface

content/common/gpu/image_transport_surface_fbo_mac.mm

 // Copyright 2014 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_fbo_mac.h"
 
 #include "content/common/gpu/gpu_messages.h"
 #include "content/common/gpu/image_transport_surface_calayer_mac.h"
 #include "content/common/gpu/image_transport_surface_iosurface_mac.h"
 #include "ui/base/cocoa/remote_layer_api.h"
@@ skipping 38 matching lines @@
 
   if (!helper_->Initialize())
     return false;
 
   helper_->stub()->AddDestructionObserver(this);
   return true;
 }
 
 void ImageTransportSurfaceFBO::Destroy() {
   DestroyFramebuffer();
-
-  helper_->Destroy();
 }
 
 bool ImageTransportSurfaceFBO::DeferDraws() {
   storage_provider_->WillWriteToBackbuffer();
   // We should not have a pending send when we are drawing the next frame.
   DCHECK(!is_swap_buffers_send_pending_);
   return false;
 }
 
 bool ImageTransportSurfaceFBO::IsOffscreen() {
@@ skipping 33 matching lines @@
   AdjustBufferAllocation();
 }
 
 void ImageTransportSurfaceFBO::AdjustBufferAllocation() {
   // On mac, the frontbuffer and backbuffer are the same buffer. The buffer is
   // free'd when both the browser and gpu processes have Unref'd the IOSurface.
   if (!backbuffer_suggested_allocation_ &&
       !frontbuffer_suggested_allocation_ &&
       has_complete_framebuffer_) {
     DestroyFramebuffer();
-    helper_->Suspend();
   } else if (backbuffer_suggested_allocation_ && !has_complete_framebuffer_) {
     CreateFramebuffer();
   }
 }
 
 bool ImageTransportSurfaceFBO::SwapBuffers() {
   DCHECK(backbuffer_suggested_allocation_);
   if (!frontbuffer_suggested_allocation_)
     return true;
   glFlush();
@@ skipping 188 matching lines @@
     return;
   }
 
   has_complete_framebuffer_ = true;
 
   glBindTexture(GL_TEXTURE_RECTANGLE_ARB, previous_texture_id);
   // The FBO remains bound for this GL context.
 }
 
 }  // namespace content