Android: Remove unneeded RegisterNatives() calls

content/browser/mojo/interface_registrar_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_MOJO_INTERFACE_REGISTRAR_ANDROID_H_
 #define CONTENT_BROWSER_MOJO_INTERFACE_REGISTRAR_ANDROID_H_
 
 #include <jni.h>
 
 namespace content {
 
 class InterfaceRegistryAndroid;
 
 // Registrar for interfaces implemented in Java exposed by the browser. This
 // calls into Java where the services are registered with the indicated
 // registry.
 class InterfaceRegistrarAndroid {
  public:
-  static bool Register(JNIEnv* env);
   static void ExposeInterfacesToRenderer(InterfaceRegistryAndroid* registry);
   static void ExposeInterfacesToFrame(InterfaceRegistryAndroid* registry);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_MOJO_INTERFACE_REGISTRAR_ANDROID_H_