Use kRenderClientId command line flag when starting a render process

content/renderer/render_frame_impl.cc

Index: content/renderer/render_frame_impl.cc
diff --git a/content/renderer/render_frame_impl.cc b/content/renderer/render_frame_impl.cc
index 3ff49b1889d976d705b22f75d808ab38f8739272..94c658225c7ba1c636b6676527908f4916406405 100644
--- a/content/renderer/render_frame_impl.cc
+++ b/content/renderer/render_frame_impl.cc
@@ -933,7 +933,8 @@ RenderFrameImpl* RenderFrameImpl::CreateMainFrame(
   render_frame->BindToWebFrame(web_frame);
   render_view->webview()->setMainFrame(web_frame);
   render_frame->render_widget_ = RenderWidget::CreateForFrame(
-      widget_routing_id, hidden, screen_info, compositor_deps, web_frame);
+      widget_routing_id, hidden, screen_info, compositor_deps, web_frame,
+      render_view->frame_sink_id());
   // TODO(avi): This DCHECK is to track cleanup for https://crbug.com/545684
   DCHECK_EQ(render_view->GetWidget(), render_frame->render_widget_)
       << "Main frame is no longer reusing the RenderView as its widget! "
@@ -1007,7 +1008,8 @@ void RenderFrameImpl::CreateFrame(
           SiteIsolationPolicy::AreCrossProcessFramesPossible());
     render_frame->render_widget_ = RenderWidget::CreateForFrame(
         widget_params.routing_id, widget_params.hidden,
-        render_frame->render_view_->screen_info(), compositor_deps, web_frame);
+        render_frame->render_view_->screen_info(), compositor_deps, web_frame,
+        render_frame->render_view_->frame_sink_id());
     // TODO(avi): The main frame re-uses the RenderViewImpl as its widget, so
     // avoid double-registering the frame as an observer.
     // https://crbug.com/545684
@@ -1331,8 +1333,9 @@ RenderWidgetFullscreenPepper* RenderFrameImpl::CreatePepperFullscreenContainer(
   if (render_view_->webview())
     active_url = render_view()->GetURLForGraphicsContext3D();
   RenderWidgetFullscreenPepper* widget = RenderWidgetFullscreenPepper::Create(
-      render_view()->routing_id(), GetRenderWidget()->compositor_deps(),
-      plugin, active_url, GetRenderWidget()->screen_info());
+      render_view()->routing_id(), GetRenderWidget()->compositor_deps(), plugin,
+      active_url, GetRenderWidget()->screen_info(),
+      GetRenderWidget()->frame_sink_id());
   widget->show(blink::WebNavigationPolicyIgnore);
   return widget;
 }