Remove offscreen compositor contexts.

content/common/gpu/client/context_provider_command_buffer.cc

 // Copyright (c) 2013 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/client/context_provider_command_buffer.h"
 
 #include <set>
 #include <vector>
 
 #include "base/callback_helpers.h"
@@ skipping 32 matching lines @@
     return NULL;
 
   return new ContextProviderCommandBuffer(context3d.Pass(), debug_name);
 }
 
 ContextProviderCommandBuffer::ContextProviderCommandBuffer(
     scoped_ptr<WebGraphicsContext3DCommandBufferImpl> context3d,
     const std::string& debug_name)
     : context3d_(context3d.Pass()),
       debug_name_(debug_name),
-      leak_on_destroy_(false),
       destroyed_(false) {
   DCHECK(main_thread_checker_.CalledOnValidThread());
   DCHECK(context3d_);
   context_thread_checker_.DetachFromThread();
 }
 
 ContextProviderCommandBuffer::~ContextProviderCommandBuffer() {
   DCHECK(main_thread_checker_.CalledOnValidThread() ||
          context_thread_checker_.CalledOnValidThread());
 
   base::AutoLock lock(main_thread_lock_);
 
   // Destroy references to the context3d_ before leaking it.
   if (context3d_->GetCommandBufferProxy()) {
     context3d_->GetCommandBufferProxy()->SetMemoryAllocationChangedCallback(
         CommandBufferProxyImpl::MemoryAllocationChangedCallback());
   }
   lost_context_callback_proxy_.reset();
-
-  if (leak_on_destroy_) {
-    WebGraphicsContext3DCommandBufferImpl* context3d ALLOW_UNUSED =
-        context3d_.release();
-    webkit::gpu::GrContextForWebGraphicsContext3D* gr_context ALLOW_UNUSED =
-        gr_context_.release();
-  }
 }
 
 
 CommandBufferProxyImpl* ContextProviderCommandBuffer::GetCommandBufferProxy() {
   return context3d_->GetCommandBufferProxy();
 }
 
 WebGraphicsContext3DCommandBufferImpl*
 ContextProviderCommandBuffer::WebContext3D() {
   DCHECK(context3d_);
@@ skipping 132 matching lines @@
 
 void ContextProviderCommandBuffer::SetMemoryPolicyChangedCallback(
     const MemoryPolicyChangedCallback& memory_policy_changed_callback) {
   DCHECK(context_thread_checker_.CalledOnValidThread());
   DCHECK(memory_policy_changed_callback_.is_null() ||
          memory_policy_changed_callback.is_null());
   memory_policy_changed_callback_ = memory_policy_changed_callback;
 }
 
 }  // namespace content