content: Cleanup GpuMemoryBufferImpl destruction.

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/debug/trace_event.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/threading/thread_restrictions.h"
@@ skipping 395 matching lines @@
                  base::Unretained(&request)));
 
   // We're blocking the UI thread, which is generally undesirable.
   TRACE_EVENT0("browser",
                "BrowserGpuChannelHostFactory::AllocateGpuMemoryBuffer");
   base::ThreadRestrictions::ScopedAllowWait allow_wait;
   request.event.Wait();
   return request.result.Pass();
 }
 
-void BrowserGpuChannelHostFactory::DeleteGpuMemoryBuffer(
-    scoped_ptr<gfx::GpuMemoryBuffer> buffer) {
-  DCHECK(!BrowserThread::CurrentlyOn(BrowserThread::IO));
-
-  GetIOLoopProxy()->PostTask(
-      FROM_HERE,
-      base::Bind(&BrowserGpuChannelHostFactory::DeleteGpuMemoryBufferOnIO,
-                 base::Passed(&buffer)));
-}
-
 // static
 void BrowserGpuChannelHostFactory::AddFilterOnIO(
     int host_id,
     scoped_refptr<IPC::MessageFilter> filter) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 
   GpuProcessHost* host = GpuProcessHost::FromID(host_id);
   if (host)
     host->AddFilter(filter.get());
 }
@@ skipping 34 matching lines @@
   GpuMemoryBufferImpl::Create(
       gfx::Size(request->width, request->height),
       request->internalformat,
       request->usage,
       request->client_id,
       base::Bind(&BrowserGpuChannelHostFactory::OnGpuMemoryBufferCreated,
                  base::Unretained(request)));
 }
 
 // static
-void BrowserGpuChannelHostFactory::DeleteGpuMemoryBufferOnIO(
-    scoped_ptr<gfx::GpuMemoryBuffer> buffer) {
-}
-
-// static
 void BrowserGpuChannelHostFactory::OnGpuMemoryBufferCreated(
     AllocateGpuMemoryBufferRequest* request,
     scoped_ptr<GpuMemoryBufferImpl> buffer) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 
   request->result = buffer.PassAs<gfx::GpuMemoryBuffer>();
   request->event.Signal();
 }
 
 }  // namespace content