sync compostor: Return resources async IPC

content/renderer/android/synchronous_compositor_proxy.cc

 // Copyright 2015 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/android/synchronous_compositor_proxy.h"
 
 #include "base/auto_reset.h"
 #include "base/command_line.h"
 #include "base/memory/shared_memory.h"
 #include "content/common/android/sync_compositor_messages.h"
@@ skipping 143 matching lines @@
   params->min_page_scale_factor = min_page_scale_factor_;
   params->max_page_scale_factor = max_page_scale_factor_;
   params->need_animate_scroll = need_animate_scroll_;
   params->need_invalidate_count = need_invalidate_count_;
   params->need_begin_frame = need_begin_frame_;
   params->did_activate_pending_tree_count = did_activate_pending_tree_count_;
 }
 
 void SynchronousCompositorProxy::OnMessageReceived(
     const IPC::Message& message) {
+  if (output_surface_ && output_surface_->OnMessageReceived(message))
+    return;
+
   IPC_BEGIN_MESSAGE_MAP(SynchronousCompositorProxy, message)
     IPC_MESSAGE_HANDLER(SyncCompositorMsg_HandleInputEvent, HandleInputEvent)
     IPC_MESSAGE_HANDLER(SyncCompositorMsg_BeginFrame, BeginFrame)
     IPC_MESSAGE_HANDLER(SyncCompositorMsg_ComputeScroll, OnComputeScroll)
     IPC_MESSAGE_HANDLER_DELAY_REPLY(SyncCompositorMsg_DemandDrawHw,
                                     DemandDrawHw)
     IPC_MESSAGE_HANDLER(SyncCompositorMsg_SetSharedMemory, SetSharedMemory)
     IPC_MESSAGE_HANDLER(SyncCompositorMsg_ZeroSharedMemory, ZeroSharedMemory)
     IPC_MESSAGE_HANDLER_DELAY_REPLY(SyncCompositorMsg_DemandDrawSw,
                                     DemandDrawSw)
@@ skipping 240 matching lines @@
       output_surface_->SetMemoryPolicy(bytes_limit_);
   }
   if (common_params.update_root_scroll_offset &&
       total_scroll_offset_ != common_params.root_scroll_offset) {
     total_scroll_offset_ = common_params.root_scroll_offset;
     input_handler_proxy_->SynchronouslySetRootScrollOffset(
         total_scroll_offset_);
   }
   begin_frame_source_->SetBeginFrameSourcePaused(
       common_params.begin_frame_source_paused);
-  if (output_surface_ && !common_params.ack.resources.empty()) {
-    output_surface_->ReturnResources(
-        common_params.output_surface_id_for_returned_resources,
-        common_params.ack);
-  }
 }
 
 }  // namespace content