Implement ScreenOrientationDelegate on ChromeOS

content/browser/screen_orientation/screen_orientation_delegate_android.h

 // Copyright 2014 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 CONTENT_BROWSER_SCREEN_ORIENTATION_SCREEN_ORIENTATION_DELEGATE_H_
 #define CONTENT_BROWSER_SCREEN_ORIENTATION_SCREEN_ORIENTATION_DELEGATE_H_
 
 #include <jni.h>
 
 #include "base/macros.h"
@@ skipping 17 matching lines @@
   // the screen orientation. It keep track of the number of start request if it
   // is already running an accurate listening.
   static void StartAccurateListening();
 
   // Ask the ScreenOrientationListener (Java) to stop accurately listening to
   // the screen orientation. It will actually stop only if the number of stop
   // requests matches the number of start requests.
   static void StopAccurateListening();
 
   // ScreenOrientationDelegate:
-  virtual bool FullScreenRequired(WebContents* web_contents) override;
-  virtual void Lock(
-      blink::WebScreenOrientationLockType lock_orientation) override;
-  virtual bool ScreenOrientationProviderSupported() override;
-  virtual void Unlock() override;
+  bool FullScreenRequired(WebContents* web_contents) override;
+  void Lock(WebContents* web_contents,
+            blink::WebScreenOrientationLockType lock_orientation) override;
+  bool ScreenOrientationProviderSupported() override;
+  void Unlock(WebContents* web_contents) override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ScreenOrientationDelegateAndroid);
 };
 
 } // namespace content
 
 #endif // CONTENT_BROWSER_SCREEN_ORIENTATION_SCREEN_ORIENTATION_DELEGATE_H_