RendererCompositorFrameSink should handle local surface id allocation

content/browser/frame_host/render_widget_host_view_guest.cc

 // Copyright 2014 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/frame_host/render_widget_host_view_guest.h"
 
 #include <utility>
 
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
@@ skipping 263 matching lines @@
 
 void RenderWidgetHostViewGuest::SendSurfaceInfoToEmbedderImpl(
     const cc::SurfaceInfo& surface_info,
     const cc::SurfaceSequence& sequence) {
   if (guest_ && !guest_->is_in_destruction())
     guest_->SetChildFrameSurface(surface_info, sequence);
 }
 
 void RenderWidgetHostViewGuest::OnSwapCompositorFrame(
     uint32_t compositor_frame_sink_id,
+    cc::LocalSurfaceId local_surface_id,

[Fady Samuel, 2017/03/15 12:05:47]

const cc::LocalSurfaceId&

[Saman Sami, 2017/03/16 18:33:07]

Done.

     cc::CompositorFrame frame) {
   TRACE_EVENT0("content", "RenderWidgetHostViewGuest::OnSwapCompositorFrame");
 
   last_scroll_offset_ = frame.metadata.root_scroll_offset;
-  ProcessCompositorFrame(compositor_frame_sink_id, std::move(frame));
+  ProcessCompositorFrame(compositor_frame_sink_id, local_surface_id,
+                         std::move(frame));
 
   // If after detaching we are sent a frame, we should finish processing it, and
   // then we should clear the surface so that we are not holding resources we
   // no longer need.
   if (!guest_ || !guest_->attached())
     ClearCompositorSurfaceIfNecessary();
 }
 
 bool RenderWidgetHostViewGuest::OnMessageReceived(const IPC::Message& msg) {
   if (!platform_view_) {
@@ skipping 337 matching lines @@
     host_->ForwardGestureEvent(gesture_event);
     return;
   }
 }
 
 bool RenderWidgetHostViewGuest::HasEmbedderChanged() {
   return guest_ && guest_->has_attached_since_surface_set();
 }
 
 }  // namespace content