content: Add DeletedGpuMemoryBuffer IPC.

content/renderer/render_thread_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.
 
 #include "content/renderer/render_thread_impl.h"
 
 #include <algorithm>
 #include <limits>
 #include <map>
 #include <vector>
@@ skipping 1248 matching lines @@
     success = sync_message_filter()->Send(message);
 
   if (!success)
     return scoped_ptr<gfx::GpuMemoryBuffer>();
 
   return GpuMemoryBufferImpl::CreateFromHandle(
              handle, gfx::Size(width, height), internalformat)
       .PassAs<gfx::GpuMemoryBuffer>();
 }
 
+void RenderThreadImpl::DeleteGpuMemoryBuffer(
+    scoped_ptr<gfx::GpuMemoryBuffer> buffer) {
+  gfx::GpuMemoryBufferHandle handle(buffer->GetHandle());
+
+  IPC::Message* message = new ChildProcessHostMsg_DeletedGpuMemoryBuffer(
+      handle.type, handle.global_id);
+
+  // Allow calling this from the compositor thread.
+  thread_safe_sender()->Send(message);
+}
+
 void RenderThreadImpl::DoNotSuspendWebKitSharedTimer() {
   suspend_webkit_shared_timer_ = false;
 }
 
 void RenderThreadImpl::DoNotNotifyWebKitOfModalLoop() {
   notify_webkit_of_modal_loop_ = false;
 }
 
 void RenderThreadImpl::OnSetZoomLevelForCurrentURL(const std::string& scheme,
                                                    const std::string& host,
@@ skipping 317 matching lines @@
   hidden_widget_count_--;
 
   if (!GetContentClient()->renderer()->RunIdleHandlerWhenWidgetsHidden()) {
     return;
   }
 
   ScheduleIdleHandler(kLongIdleHandlerDelayMs);
 }
 
 }  // namespace content