Add missing return statement after ReceivedBadMessage call.

content/browser/frame_host/render_frame_host_impl.cc

Index: content/browser/frame_host/render_frame_host_impl.cc
diff --git a/content/browser/frame_host/render_frame_host_impl.cc b/content/browser/frame_host/render_frame_host_impl.cc
index c5c6b04749a9de5743278470bc877171e85f9b35..b4b4cc124571134c9bd0123f5ef7a716ef6d1192 100644
--- a/content/browser/frame_host/render_frame_host_impl.cc
+++ b/content/browser/frame_host/render_frame_host_impl.cc
@@ -2203,6 +2203,7 @@ void RenderFrameHostImpl::OnBeginNavigation(
     // Kills the process. http://crbug.com/726142
     bad_message::ReceivedBadMessage(
         GetProcess(), bad_message::RFH_BASE_URL_FOR_DATA_URL_SPECIFIED);
+    return;
   }
 
   BeginNavigationParams validated_begin_params = begin_params;