Changed ChromeURLDataManager to a ProfileKeyedService and made a Factory for it.

chrome/browser/profiles/profile_impl.h

Index: chrome/browser/profiles/profile_impl.h
diff --git a/chrome/browser/profiles/profile_impl.h b/chrome/browser/profiles/profile_impl.h
index 502d257a9e86bdcd740737a23a83a1f81f10a3e4..755105021c060917dd4d04ec415ca09453c7ac9a 100644
--- a/chrome/browser/profiles/profile_impl.h
+++ b/chrome/browser/profiles/profile_impl.h
@@ -108,7 +108,6 @@ class ProfileImpl : public Profile,
   virtual void InitRegisteredProtocolHandlers() OVERRIDE;
   virtual FilePath last_selected_directory() OVERRIDE;
   virtual void set_last_selected_directory(const FilePath& path) OVERRIDE;
-  virtual ChromeURLDataManager* GetChromeURLDataManager() OVERRIDE;
   virtual chrome_browser_net::Predictor* GetNetworkPredictor() OVERRIDE;
   virtual void ClearNetworkingHistorySince(base::Time time) OVERRIDE;
   virtual GURL GetHomePage() OVERRIDE;
@@ -176,6 +175,9 @@ class ProfileImpl : public Profile,
                           FilePath* cache_path,
                           int* max_size);
 
+  virtual base::Callback<ChromeURLDataManagerBackend*(void)>
+      GetChromeURLDataManagerBackendGetter() const OVERRIDE;
+
   content::NotificationRegistrar registrar_;
   PrefChangeRegistrar pref_change_registrar_;
 
@@ -250,8 +252,6 @@ class ProfileImpl : public Profile,
 
   scoped_ptr<PrefProxyConfigTracker> pref_proxy_config_tracker_;
 
-  scoped_ptr<ChromeURLDataManager> chrome_url_data_manager_;
-
   // STOP!!!! DO NOT ADD ANY MORE ITEMS HERE!!!!
   //
   // Instead, make your Service/Manager/whatever object you're hanging off the