Some clean-up now that ChromeTab's native counterpart is removed.

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 91 matching lines @@
 
   // Helper methods to make it easier to access objects from the associated
   // WebContents.  Can return NULL.
   content::ContentViewCore* GetContentViewCore() const;
   Profile* GetProfile() const;
   browser_sync::SyncedTabDelegate* GetSyncedTabDelegate() const;
 
   void SetWindowSessionID(SessionID::id_type window_id);
   void SetSyncId(int sync_id);
 
-  virtual void HandlePopupNavigation(chrome::NavigateParams* params);
+  void HandlePopupNavigation(chrome::NavigateParams* params);
 
   bool HasPrerenderedUrl(GURL gurl);
 
   void MakeLoadURLParams(
       chrome::NavigateParams* params,
       content::NavigationController::LoadURLParams* load_url_params);
 
   // CoreTabHelperDelegate ----------------------------------------------------
 
   void SwapTabContents(content::WebContents* old_contents,
@@ skipping 12 matching lines @@
   // NotificationObserver -----------------------------------------------------
   void Observe(int type,
                const content::NotificationSource& source,
                const content::NotificationDetails& details) override;
 
   // FaviconTabHelperObserver -----------------------------------------------
   void OnFaviconAvailable(const gfx::Image& image) override;
 
   // Methods called from Java via JNI -----------------------------------------
 
-  virtual void Destroy(JNIEnv* env, jobject obj);
-  virtual void InitWebContents(JNIEnv* env,
-                               jobject obj,
-                               jboolean incognito,
-                               jobject jcontent_view_core,
-                               jobject jweb_contents_delegate,
-                               jobject jcontext_menu_populator);
-  virtual void DestroyWebContents(JNIEnv* env,
-                                  jobject obj,
-                                  jboolean delete_native);
+  void Destroy(JNIEnv* env, jobject obj);
+  void InitWebContents(JNIEnv* env,
+                       jobject obj,
+                       jboolean incognito,
+                       jobject jcontent_view_core,
+                       jobject jweb_contents_delegate,
+                       jobject jcontext_menu_populator);
+  void DestroyWebContents(JNIEnv* env, jobject obj, jboolean delete_native);
   base::android::ScopedJavaLocalRef<jobject> GetProfileAndroid(JNIEnv* env,
                                                                jobject obj);
-  virtual TabLoadStatus LoadUrl(JNIEnv* env,
-                                jobject obj,
-                                jstring url,
-                                jstring j_extra_headers,
-                                jbyteArray j_post_data,
-                                jint page_transition,
-                                jstring j_referrer_url,
-                                jint referrer_policy,
-                                jboolean is_renderer_initiated,
-                                jlong intent_received_timestamp);
+  TabLoadStatus LoadUrl(JNIEnv* env,
+                        jobject obj,
+                        jstring url,
+                        jstring j_extra_headers,
+                        jbyteArray j_post_data,
+                        jint page_transition,
+                        jstring j_referrer_url,
+                        jint referrer_policy,
+                        jboolean is_renderer_initiated,
+                        jlong intent_received_timestamp);
   void SetActiveNavigationEntryTitleForUrl(JNIEnv* env,
                                            jobject obj,
                                            jstring jurl,
                                            jstring jtitle);
   bool Print(JNIEnv* env, jobject obj);
 
   // Sets the tab as content to be printed through JNI.
   void SetPendingPrint();
 
   // Called to get default favicon of current tab, return null if no
@@ skipping 58 matching lines @@
   scoped_ptr<content::WebContents> web_contents_;
   scoped_ptr<chrome::android::ChromeWebContentsDelegateAndroid>
       web_contents_delegate_;
 
   scoped_ptr<browser_sync::SyncedTabDelegateAndroid> synced_tab_delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(TabAndroid);
 };
 
 #endif  // CHROME_BROWSER_ANDROID_TAB_ANDROID_H_