Add UMA counter for hung renderers on cross-site navigation.

content/public/test/mock_render_process_host.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/public/test/mock_render_process_host.h"
 
 #include "base/lazy_instance.h"
 #include "base/message_loop.h"
 #include "base/time.h"
 #include "content/browser/child_process_security_policy_impl.h"
@@ skipping 36 matching lines @@
 }
 
 int MockRenderProcessHost::GetNextRoutingID() {
   static int prev_routing_id = 0;
   return ++prev_routing_id;
 }
 
 void MockRenderProcessHost::CancelResourceRequests(int render_widget_id) {
 }
 
-void MockRenderProcessHost::CrossSiteSwapOutACK(
+void MockRenderProcessHost::SimulateSwapOutACK(
     const ViewMsg_SwapOut_Params& params) {
 }
 
 bool MockRenderProcessHost::WaitForBackingStoreMsg(
     int render_widget_id,
     const base::TimeDelta& max_delay,
     IPC::Message* msg) {
   return false;
 }
 
@@ skipping 188 matching lines @@
   for (ScopedVector<MockRenderProcessHost>::iterator it = processes_.begin();
        it != processes_.end(); ++it) {
     if (*it == host) {
       processes_.weak_erase(it);
       break;
     }
   }
 }
 
 }  // content