content/ui[Android]: Remove ContextProviderFactory.

content/browser/gpu/browser_gpu_channel_host_factory.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/browser/gpu/browser_gpu_channel_host_factory.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/location.h"
 #include "base/profiler/scoped_tracker.h"
@@ skipping 235 matching lines @@
               &BrowserGpuChannelHostFactory::InitializeShaderDiskCacheOnIO,
               gpu_client_id_, cache_dir));
     }
   }
 }
 
 BrowserGpuChannelHostFactory::~BrowserGpuChannelHostFactory() {
   DCHECK(IsMainThread());
   if (pending_request_.get())
     pending_request_->Cancel();
-  for (size_t n = 0; n < established_callbacks_.size(); n++)
-    established_callbacks_[n].Run(nullptr);
   shutdown_event_->Signal();
   if (gpu_channel_) {
     gpu_channel_->DestroyChannel();
     gpu_channel_ = NULL;
   }
 }
 
 bool BrowserGpuChannelHostFactory::IsMainThread() {
   return BrowserThread::CurrentlyOn(BrowserThread::UI);
 }
@@ skipping 108 matching lines @@
 }
 
 // static
 void BrowserGpuChannelHostFactory::InitializeShaderDiskCacheOnIO(
     int gpu_client_id,
     const base::FilePath& cache_dir) {
   GetShaderCacheFactorySingleton()->SetCacheInfo(gpu_client_id, cache_dir);
 }
 
 }  // namespace content