Refactor Chromoting JNI code to use jni/Client (Java changes only).

remoting/android/java/src/org/chromium/chromoting/TrackpadInputStrategy.java

 // 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.
 
 package org.chromium.chromoting;
 
 import android.graphics.Point;
 import android.view.MotionEvent;
 
-import org.chromium.chromoting.jni.JniInterface;
+import org.chromium.chromoting.jni.Client;
 
 /**
  * Defines a set of behavior and methods to simulate trackpad behavior when responding to
  * local input event data.  This class is also responsible for forwarding input event data
  * to the remote host for injection there.
  */
 public class TrackpadInputStrategy implements InputStrategyInterface {
     private final RenderData mRenderData;
+    private final Client mClient;
 
     /** Mouse-button currently held down, or BUTTON_UNDEFINED otherwise. */
     private int mHeldButton = TouchInputHandlerInterface.BUTTON_UNDEFINED;
 
-    public TrackpadInputStrategy(RenderData renderData) {
+    public TrackpadInputStrategy(RenderData renderData, Client client) {
         mRenderData = renderData;
+        mClient = client;
 
         synchronized (mRenderData) {
             mRenderData.drawCursor = true;
         }
     }
 
     @Override
     public boolean onTap(int button) {
         injectMouseButtonEvent(button, true);
         injectMouseButtonEvent(button, false);
         return true;
     }
 
     @Override
     public boolean onPressAndHold(int button) {
         injectMouseButtonEvent(button, true);
         mHeldButton = button;
         return true;
     }
 
     @Override
     public void onScroll(float distanceX, float distanceY) {
-        JniInterface.sendMouseWheelEvent((int) -distanceX, (int) -distanceY);
+        mClient.sendMouseWheelEvent((int) -distanceX, (int) -distanceY);
     }
 
     @Override
     public void onMotionEvent(MotionEvent event) {
         if (event.getActionMasked() == MotionEvent.ACTION_UP
                 && mHeldButton != TouchInputHandlerInterface.BUTTON_UNDEFINED) {
             injectMouseButtonEvent(mHeldButton, false);
             mHeldButton = TouchInputHandlerInterface.BUTTON_UNDEFINED;
         }
     }
 
     @Override
     public void injectCursorMoveEvent(int x, int y) {
-        JniInterface.sendMouseEvent(x, y, TouchInputHandlerInterface.BUTTON_UNDEFINED, false);
+        mClient.sendMouseEvent(x, y, TouchInputHandlerInterface.BUTTON_UNDEFINED, false);
     }
 
     @Override
     public DesktopView.InputFeedbackType getShortPressFeedbackType() {
         return DesktopView.InputFeedbackType.NONE;
     }
 
     @Override
     public DesktopView.InputFeedbackType getLongPressFeedbackType() {
         return DesktopView.InputFeedbackType.SMALL_ANIMATION;
     }
 
     @Override
     public boolean isIndirectInputMode() {
         return true;
     }
 
     private void injectMouseButtonEvent(int button, boolean pressed) {
         Point cursorPosition;
         synchronized (mRenderData) {
             cursorPosition = mRenderData.getCursorPosition();
         }
-        JniInterface.sendMouseEvent(cursorPosition.x, cursorPosition.y, button, pressed);
+        mClient.sendMouseEvent(cursorPosition.x, cursorPosition.y, button, pressed);
     }
 }