Remove Navigation Transitions from Chromium

chrome/browser/android/transition_page_helper.h

-// Copyright 2015 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_TRANSITION_PAGE_HELPER_H_
-#define CHROME_BROWSER_ANDROID_TRANSITION_PAGE_HELPER_H_
-
-#include "base/android/jni_android.h"
-#include "base/basictypes.h"
-#include "base/memory/scoped_ptr.h"
-
-namespace content {
-class WebContents;
-}
-
-class TransitionPageHelper {
- public:
-  static TransitionPageHelper* FromJavaObject(JNIEnv* env, jobject jobj);
-  static bool Register(JNIEnv* env);
-
-  TransitionPageHelper();
-  virtual ~TransitionPageHelper();
-
-  void Destroy(JNIEnv* env, jobject jobj);
-
-  void SetWebContents(JNIEnv* env, jobject jobj, jobject jcontent_view_core);
-  void ReleaseWebContents(JNIEnv* env, jobject jobj);
-  void SetOpacity(JNIEnv* env,
-                  jobject jobj,
-                  jobject jcontent_view_core,
-                  jfloat opacity);
-
- private:
-  scoped_ptr<content::WebContents> web_contents_;
-
-  DISALLOW_COPY_AND_ASSIGN(TransitionPageHelper);
-};
-
-#endif  // CHROME_BROWSER_ANDROID_TRANSITION_PAGE_HELPER_H_