Android: Remove unneeded RegisterNatives() calls

remoting/client/jni/jni_touch_event_data.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 REMOTING_CLIENT_JNI_JNI_TOUCH_EVENT_DATA_H_
 #define REMOTING_CLIENT_JNI_JNI_TOUCH_EVENT_DATA_H_
 
 #include <jni.h>
 
 #include "base/android/scoped_java_ref.h"
 #include "base/macros.h"
 
 namespace remoting {
 
 namespace protocol {
 class TouchEventPoint;
 }
 
 class JniTouchEventData {
  public:
   JniTouchEventData();
   ~JniTouchEventData();
 
-  // Register C++ methods exposed to Java using JNI.
-  static bool RegisterJni(JNIEnv* env);
-
   // Copies touch point data from a Java object to a C++ object.
   static void CopyTouchPointData(
       JNIEnv* env,
       const base::android::ScopedJavaLocalRef<jobject>& java_object,
       protocol::TouchEventPoint* touch_event_point);
 
  private:
   DISALLOW_COPY_AND_ASSIGN(JniTouchEventData);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_CLIENT_JNI_JNI_TOUCH_EVENT_DATA_H_