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 242 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