content: Add DeletedGpuMemoryBuffer IPC.

content/browser/renderer_host/render_process_host_impl.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.
 
 // Represents the browser side of the browser <--> renderer communication
 // channel. There will be one RenderProcessHost per renderer process.
 
 #include "content/browser/renderer_host/render_process_host_impl.h"
 
 #include <algorithm>
@@ skipping 1354 matching lines @@
       IPC_MESSAGE_HANDLER(ChildProcessHostMsg_DumpHandlesDone,
                           OnDumpHandlesDone)
       IPC_MESSAGE_HANDLER(ViewHostMsg_SuddenTerminationChanged,
                           SuddenTerminationChanged)
       IPC_MESSAGE_HANDLER(ViewHostMsg_UserMetricsRecordAction,
                           OnUserMetricsRecordAction)
       IPC_MESSAGE_HANDLER(ViewHostMsg_SavedPageAsMHTML, OnSavedPageAsMHTML)
       IPC_MESSAGE_HANDLER_DELAY_REPLY(
           ChildProcessHostMsg_SyncAllocateGpuMemoryBuffer,
           OnAllocateGpuMemoryBuffer)
+      IPC_MESSAGE_HANDLER(ChildProcessHostMsg_DeletedGpuMemoryBuffer,
+                          OnDeletedGpuMemoryBuffer)
       IPC_MESSAGE_HANDLER(ViewHostMsg_Close_ACK, OnCloseACK)
 #if defined(ENABLE_WEBRTC)
       IPC_MESSAGE_HANDLER(AecDumpMsg_RegisterAecDumpConsumer,
                           OnRegisterAecDumpConsumer)
       IPC_MESSAGE_HANDLER(AecDumpMsg_UnregisterAecDumpConsumer,
                           OnUnregisterAecDumpConsumer)
 #endif
       // Adding single handlers for your service here is fine, but once your
       // service needs more than one handler, please extract them into a new
       // message filter and add that filter to CreateMessageFilters().
@@ skipping 947 matching lines @@
 
 void RenderProcessHostImpl::GpuMemoryBufferAllocated(
     IPC::Message* reply,
     const gfx::GpuMemoryBufferHandle& handle) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   ChildProcessHostMsg_SyncAllocateGpuMemoryBuffer::WriteReplyParams(reply,
                                                                     handle);
   Send(reply);
 }
 
+void RenderProcessHostImpl::OnDeletedGpuMemoryBuffer(
+    gfx::GpuMemoryBufferType type,
+    const gfx::GpuMemoryBufferId& id) {
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
+  GpuMemoryBufferImpl::DeletedByChildProcess(type, id, GetHandle());
+}
+
 }  // namespace content