Use kRenderClientId command line flag when starting a render process

content/test/layouttest_support.cc

Index: content/test/layouttest_support.cc
diff --git a/content/test/layouttest_support.cc b/content/test/layouttest_support.cc
index df166e20fcd1eef1e05bad656185ae75161da40d..f32cceacf83d7a0b5a2fb335f16406d60e7278aa 100644
--- a/content/test/layouttest_support.cc
+++ b/content/test/layouttest_support.cc
@@ -91,6 +91,7 @@ using WebWidgetTestProxyType =
                                     CompositorDependencies*,
                                     blink::WebPopupType,
                                     const ScreenInfo&,
+                                    const cc::FrameSinkId&,
                                     bool,
                                     bool,
                                     bool>;
@@ -111,12 +112,13 @@ RenderViewImpl* CreateWebViewTestProxy(CompositorDependencies* compositor_deps,
 RenderWidget* CreateWebWidgetTestProxy(CompositorDependencies* compositor_deps,
                                        blink::WebPopupType popup_type,
                                        const ScreenInfo& screen_info,
+                                       const cc::FrameSinkId& frame_sink_id,
                                        bool swapped_out,
                                        bool hidden,
                                        bool never_visible) {
-  WebWidgetTestProxyType* render_widget_proxy =
-      new WebWidgetTestProxyType(compositor_deps, popup_type, screen_info,
-                                 swapped_out, hidden, never_visible);
+  WebWidgetTestProxyType* render_widget_proxy = new WebWidgetTestProxyType(
+      compositor_deps, popup_type, screen_info, frame_sink_id, swapped_out,
+      hidden, never_visible);
   return render_widget_proxy;
 }