Make document.activeElement work with OOPIF

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 e797e44129d2ed42b4956592603baa619d7b87b9..499f3036abfa968a1bb50a42d5f3db6dfddf779e 100644
--- a/content/renderer/render_frame_impl.cc
+++ b/content/renderer/render_frame_impl.cc
@@ -1168,7 +1168,6 @@ bool RenderFrameImpl::OnMessageReceived(const IPC::Message& msg) {
     IPC_MESSAGE_HANDLER(FrameMsg_DidUpdateSandboxFlags, OnDidUpdateSandboxFlags)
     IPC_MESSAGE_HANDLER(FrameMsg_SetFrameOwnerProperties,
                         OnSetFrameOwnerProperties)
-    IPC_MESSAGE_HANDLER(FrameMsg_ClearFocus, OnClearFocus)
     IPC_MESSAGE_HANDLER(FrameMsg_SetTextTrackSettings,
                         OnTextTrackSettingsChanged)
     IPC_MESSAGE_HANDLER(FrameMsg_PostMessageEvent, OnPostMessageEvent)
@@ -1730,10 +1729,6 @@ void RenderFrameImpl::OnSetFrameOwnerProperties(
   frame_->setFrameOwnerProperties(frame_owner_properties);
 }
 
-void RenderFrameImpl::OnClearFocus() {
-  frame_->clearFocus();
-}
-
 void RenderFrameImpl::OnTextTrackSettingsChanged(
     const FrameMsg_TextTrackSettings_Params& params) {
   DCHECK(!frame_->parent());