Add UMA stats for predicted process counts with out-of-process iframes.

content/browser/renderer_host/render_process_host_impl.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.
 
 // Represents the browser side of the browser <--> renderer communication
 // channel. There will be one RenderProcessHost per renderer process.
 
 #include "content/browser/renderer_host/render_process_host_impl.h"
 
 #include <algorithm>
@@ skipping 1502 matching lines @@
   if (!suitable_renderers.empty()) {
     int suitable_count = static_cast<int>(suitable_renderers.size());
     int random_index = base::RandInt(0, suitable_count - 1);
     return suitable_renderers[random_index];
   }
 
   return NULL;
 }
 
 // static
-bool RenderProcessHostImpl::ShouldUseProcessPerSite(
+bool RenderProcessHost::ShouldUseProcessPerSite(
     BrowserContext* browser_context,
     const GURL& url) {
   // Returns true if we should use the process-per-site model.  This will be
   // the case if the --process-per-site switch is specified, or in
   // process-per-site-instance for particular sites (e.g., WebUI).
 
   const CommandLine& command_line = *CommandLine::ForCurrentProcess();
   if (command_line.HasSwitch(switches::kProcessPerSite))
     return true;
 
@@ skipping 264 matching lines @@
       continue;
 
     RenderViewHost* rvh =
         RenderViewHost::From(const_cast<RenderWidgetHost*>(widget));
 
     rvh->UpdateWebkitPreferences(rvh->GetWebkitPreferences());
   }
 }
 
 }  // namespace content