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

content/browser/web_contents/web_contents_impl.h

 // 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.
 
 #ifndef CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_
 #define CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 210 matching lines @@
   virtual int32 GetMaxPageIDForSiteInstance(
       SiteInstance* site_instance) OVERRIDE;
   virtual SiteInstance* GetSiteInstance() const OVERRIDE;
   virtual SiteInstance* GetPendingSiteInstance() const OVERRIDE;
   virtual bool IsLoading() const OVERRIDE;
   virtual bool IsWaitingForResponse() const OVERRIDE;
   virtual const net::LoadStateWithParam& GetLoadState() const OVERRIDE;
   virtual const string16& GetLoadStateHost() const OVERRIDE;
   virtual uint64 GetUploadSize() const OVERRIDE;
   virtual uint64 GetUploadPosition() const OVERRIDE;
+  virtual std::set<GURL> GetSitesInTab() const OVERRIDE;
   virtual const std::string& GetEncoding() const OVERRIDE;
   virtual bool DisplayedInsecureContent() const OVERRIDE;
   virtual void IncrementCapturerCount() OVERRIDE;
   virtual void DecrementCapturerCount() OVERRIDE;
   virtual bool IsCrashed() const OVERRIDE;
   virtual void SetIsCrashed(base::TerminationStatus status,
                             int error_code) OVERRIDE;
   virtual base::TerminationStatus GetCrashedStatus() const OVERRIDE;
   virtual bool IsBeingDestroyed() const OVERRIDE;
   virtual void NotifyNavigationStateChanged(unsigned changed_flags) OVERRIDE;
@@ skipping 704 matching lines @@
   // Maps the ids of pending image downloads to their callbacks
   typedef std::map<int, ImageDownloadCallback> ImageDownloadMap;
   ImageDownloadMap image_download_map_;
 
   DISALLOW_COPY_AND_ASSIGN(WebContentsImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_