Fix Tab.getWebContents for downstream instrumentation tests

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 116 matching lines @@
   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);
-  base::android::ScopedJavaLocalRef<jobject> GetWebContents(JNIEnv* env,
-                                                            jobject obj);
   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,
@@ skipping 29 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_