Adds BeginFrameControl via DevTools.

content/browser/web_contents/web_contents_view_android.cc

Index: content/browser/web_contents/web_contents_view_android.cc
diff --git a/content/browser/web_contents/web_contents_view_android.cc b/content/browser/web_contents/web_contents_view_android.cc
index 06c938af2c11e7cd4ee58d22437e9bb5835de97f..1f593a203c61350b5c95866c6943474a3e20d349 100644
--- a/content/browser/web_contents/web_contents_view_android.cc
+++ b/content/browser/web_contents/web_contents_view_android.cc
@@ -238,6 +238,10 @@ void WebContentsViewAndroid::RenderViewSwappedIn(RenderViewHost* host) {
 void WebContentsViewAndroid::SetOverscrollControllerEnabled(bool enabled) {
 }
 
+ui::Compositor* WebContentsViewAndroid::GetCompositor() const {
+  return nullptr;
+}
+
 void WebContentsViewAndroid::ShowContextMenu(
     RenderFrameHost* render_frame_host, const ContextMenuParams& params) {
   if (delegate_)