[Offline pages] Refactor URL conversions from TabAndroid

chrome/browser/android/tab_android.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 CHROME_BROWSER_ANDROID_TAB_ANDROID_H_
 #define CHROME_BROWSER_ANDROID_TAB_ANDROID_H_
 
 #include <jni.h>
 
 #include "base/android/jni_weak_ref.h"
@@ skipping 32 matching lines @@
 
 namespace content {
 class ContentViewCore;
 class WebContents;
 }
 
 namespace infobars {
 class InfoBar;
 }
 
-namespace offline_pages {
-struct OfflinePageItem;
-}
-
 namespace prerender {
 class PrerenderManager;
 }
 
 class TabAndroid : public CoreTabHelperDelegate,
                    public InstantServiceObserver,
                    public SearchTabHelperDelegate,
                    public content::NotificationObserver,
                    public favicon::FaviconDriverObserver {
  public:
@@ skipping 190 matching lines @@
                          const base::android::JavaParamRef<jstring>& url);
 
   // Register the Tab's native methods through JNI.
   static bool RegisterTabAndroid(JNIEnv* env);
 
  private:
   prerender::PrerenderManager* GetPrerenderManager() const;
 
   int64_t GetBookmarkIdHelper(bool only_editable) const;
 
-  const offline_pages::OfflinePageItem* GetOfflinePage(const GURL& url) const;
-
   JavaObjectWeakGlobalRef weak_java_tab_;
 
   // The identifier used by session restore for this tab.
   SessionID session_tab_id_;
 
   // Identifier of the window the tab is in.
   SessionID session_window_id_;
 
   content::NotificationRegistrar notification_registrar_;
 
   scoped_refptr<cc::Layer> content_layer_;
   chrome::android::TabContentManager* tab_content_manager_;
 
   scoped_ptr<content::WebContents> web_contents_;
   scoped_ptr<chrome::android::TabWebContentsDelegateAndroid>
       web_contents_delegate_;
 
   scoped_ptr<browser_sync::SyncedTabDelegateAndroid> synced_tab_delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(TabAndroid);
 };
 
 #endif  // CHROME_BROWSER_ANDROID_TAB_ANDROID_H_