Don't take a fake UGI every time we execute Javascript.

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 54ba0cf2a32d6da8b6b6874d701b9a2023e6153d..c2ee02b2330c360bef458076e881eec2850ff8b8 100644
--- a/content/browser/frame_host/render_frame_host_impl.cc
+++ b/content/browser/frame_host/render_frame_host_impl.cc
@@ -255,7 +255,7 @@ void RenderFrameHostImpl::ExecuteJavaScript(
     const base::string16& javascript) {
   Send(new FrameMsg_JavaScriptExecuteRequest(routing_id_,
                                              javascript,
-                                             0, false));
+                                             0, false, false));
 }
 
 void RenderFrameHostImpl::ExecuteJavaScript(
@@ -265,10 +265,17 @@ void RenderFrameHostImpl::ExecuteJavaScript(
   int key = next_id++;
   Send(new FrameMsg_JavaScriptExecuteRequest(routing_id_,
                                              javascript,
-                                             key, true));
+                                             key, true, false));
   javascript_callbacks_.insert(std::make_pair(key, callback));
 }
 
+void RenderFrameHostImpl::ExecuteJavaScriptForTests(
+    const base::string16& javascript) {
+  Send(new FrameMsg_JavaScriptExecuteRequest(routing_id_,
+                                             javascript,
+                                             0, false, true));
+}
+
 RenderViewHost* RenderFrameHostImpl::GetRenderViewHost() {
   return render_view_host_;
 }