[WIP] cc: Plumb SurfaceId from clients

content/browser/renderer_host/render_widget_host_view_mac.mm

 // 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_mac.h"
 
 #import <objc/runtime.h>
 #include <OpenGL/gl.h>
 #include <QuartzCore/QuartzCore.h>
 #include <stdint.h>
@@ skipping 1269 matching lines @@
 
 bool RenderWidgetHostViewMac::HasAcceleratedSurface(
       const gfx::Size& desired_size) {
   ui::AcceleratedWidgetMac* accelerated_widget_mac =
       browser_compositor_->GetAcceleratedWidgetMac();
   if (accelerated_widget_mac)
     return accelerated_widget_mac->HasFrameOfSize(desired_size);
   return false;
 }
 
-void RenderWidgetHostViewMac::OnSwapCompositorFrame(uint32_t output_surface_id,
-                                                    cc::CompositorFrame frame) {
+void RenderWidgetHostViewMac::OnSwapCompositorFrame(
+    uint32_t output_surface_id,
+    const cc::SurfaceId& surface_id,
+    cc::CompositorFrame frame) {
   TRACE_EVENT0("browser", "RenderWidgetHostViewMac::OnSwapCompositorFrame");
 
   last_scroll_offset_ = frame.metadata.root_scroll_offset;
 
   page_at_minimum_scale_ =
       frame.metadata.page_scale_factor == frame.metadata.min_page_scale_factor;
   if (frame.delegated_frame_data) {
     browser_compositor_->SwapCompositorFrame(output_surface_id,
                                              std::move(frame));
     SendVSyncParametersToRenderer();
@@ skipping 1925 matching lines @@
 
 // "-webkit-app-region: drag | no-drag" is implemented on Mac by excluding
 // regions that are not draggable. (See ControlRegionView in
 // native_app_window_cocoa.mm). This requires the render host view to be
 // draggable by default.
 - (BOOL)mouseDownCanMoveWindow {
   return YES;
 }
 
 @end