RendererCompositorFrameSink should handle local surface id allocation

content/browser/renderer_host/render_widget_host_view_aura.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/renderer_host/render_widget_host_view_aura.h"
 
 #include <set>
 #include <utility>
 
 #include "base/auto_reset.h"
@@ skipping 889 matching lines @@
 }
 
 void RenderWidgetHostViewAura::OnLegacyWindowDestroyed() {
   legacy_render_widget_host_HWND_ = NULL;
   legacy_window_destroyed_ = true;
 }
 #endif
 
 void RenderWidgetHostViewAura::OnSwapCompositorFrame(
     uint32_t compositor_frame_sink_id,
+    cc::LocalSurfaceId local_surface_id,

[Fady Samuel, 2017/03/15 12:05:48]

const cc::LocalSurfaceId&

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

Done.

     cc::CompositorFrame frame) {
   TRACE_EVENT0("content", "RenderWidgetHostViewAura::OnSwapCompositorFrame");
 
   // Override the background color to the current compositor background.
   // This allows us to, when navigating to a new page, transfer this color to
   // that page. This allows us to pass this background color to new views on
   // navigation.
   SetBackgroundColor(frame.metadata.root_background_color);
 
   last_scroll_offset_ = frame.metadata.root_scroll_offset;
@@ skipping 11 matching lines @@
     start_edge_top.Scale(viewportToDIPScale);
     start_edge_bottom.Scale(viewportToDIPScale);
     end_edge_top.Scale(viewportToDIPScale);
     end_edge_bottom.Scale(viewportToDIPScale);
 
     selection.start.SetEdge(start_edge_top, start_edge_bottom);
     selection.end.SetEdge(end_edge_top, end_edge_bottom);
   }
 
   if (delegated_frame_host_) {
-    delegated_frame_host_->SwapDelegatedFrame(compositor_frame_sink_id,
-                                              std::move(frame));
+    delegated_frame_host_->SwapDelegatedFrame(
+        compositor_frame_sink_id, local_surface_id, std::move(frame));
   }
   selection_controller_->OnSelectionBoundsChanged(selection.start,
                                                   selection.end);
 }
 
 void RenderWidgetHostViewAura::ClearCompositorFrame() {
   if (delegated_frame_host_)
     delegated_frame_host_->ClearDelegatedFrame();
 }
 
@@ skipping 1415 matching lines @@
 
 void RenderWidgetHostViewAura::SetPopupChild(
     RenderWidgetHostViewAura* popup_child_host_view) {
   popup_child_host_view_ = popup_child_host_view;
   event_handler_->SetPopupChild(
       popup_child_host_view,
       popup_child_host_view ? popup_child_host_view->event_handler() : nullptr);
 }
 
 }  // namespace content