Android: Remove unneeded RegisterNatives() calls

chrome/browser/android/mojo/chrome_interface_registrar_android.h

 // Copyright 2016 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_MOJO_CHROME_INTERFACE_REGISTRAR_ANDROID_H_
 #define CHROME_BROWSER_ANDROID_MOJO_CHROME_INTERFACE_REGISTRAR_ANDROID_H_
 
 #include <jni.h>
 
 namespace content {
 class RenderFrameHost;
 }
 
 namespace shell {
 class InterfaceRegistry;
 }
 
 class ChromeInterfaceRegistrarAndroid {
  public:
-  static bool Register(JNIEnv* env);
   static void ExposeInterfacesToFrame(
       shell::InterfaceRegistry* registry,
       content::RenderFrameHost* render_frame_host);
 
  private:
   ChromeInterfaceRegistrarAndroid() {}
   ~ChromeInterfaceRegistrarAndroid() {}
 };
 
 #endif  // CHROME_BROWSER_ANDROID_MOJO_CHROME_INTERFACE_REGISTRAR_ANDROID_H_