Wires up MotionEvents for mojo_shell_apk on Android.

mojo/services/native_viewport/android/mojo_viewport.h

 // Copyright 2013 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 MOJO_SERVICES_NATIVE_VIEWPORT_ANDROID_MOJO_VIEWPORT_H_
 #define MOJO_SERVICES_NATIVE_VIEWPORT_ANDROID_MOJO_VIEWPORT_H_
 
 #include "base/android/jni_helper.h"
 #include "base/android/scoped_java_ref.h"
 #include "base/logging.h"
@@ skipping 21 matching lines @@
 
   static void CreateForActivity(
     jobject activity, MojoViewportInit* init);
 
   explicit MojoViewport(MojoViewportInit* init);
 
   void Destroy(JNIEnv* env, jobject obj);
   void SurfaceCreated(JNIEnv* env, jobject obj, jobject jsurface);
   void SurfaceDestroyed(JNIEnv* env, jobject obj);
   void SurfaceSetSize(JNIEnv* env, jobject obj, jint width, jint height);
+  bool TouchEvent(JNIEnv* env, jobject obj, jint pointer_id, jint action,
+                  jfloat x, jfloat y, jlong time_ms);
 
  private:
   ~MojoViewport();
 
   scoped_refptr<base::SingleThreadTaskRunner> ui_runner_;
   base::WeakPtr<NativeViewportAndroid> native_viewport_;
 
   DISALLOW_COPY_AND_ASSIGN(MojoViewport);
 };
 
 }  // namespace services
 }  // namespace mojo
 
 #endif  // MOJO_SERVICES_NATIVE_VIEWPORT_ANDROID_MOJO_VIEWPORT_H_