Implement basic point-and-touch mouse input for Android client

remoting/android/java/src/org/chromium/chromoting/jni/JniInterface.java

Index: remoting/android/java/src/org/chromium/chromoting/jni/JniInterface.java
diff --git a/remoting/android/java/src/org/chromium/chromoting/jni/JniInterface.java b/remoting/android/java/src/org/chromium/chromoting/jni/JniInterface.java
index 7e30a68c590eba6945156c4caf196a70c23ac0ae..d7d094dfae9d4e597b9b750bbecf6408e2665dc7 100644
--- a/remoting/android/java/src/org/chromium/chromoting/jni/JniInterface.java
+++ b/remoting/android/java/src/org/chromium/chromoting/jni/JniInterface.java
@@ -204,9 +204,21 @@ public class JniInterface {
         return Bitmap.createBitmap(frame, 0, sWidth, sWidth, sHeight, Bitmap.Config.ARGB_8888);
     }
 
+    /** Moves the mouse cursor, possibly while clicking. */
+    public static void mouseAction(int x, int y, int whichButton) {
+        if (!sConnected) {
+            return;
+        }
+
+        mouseActionNative(x, y, whichButton);
+    }
+
     /** Performs the native response to the user's PIN. */
     private static native void authenticationResponse(String pin);
 
     /** Schedules a redraw on the native graphics thread. */
     private static native void scheduleRedrawNative();
+
+    /** Passes mouse information to the native handling code. */
+    private static native void mouseActionNative(int x, int y, int whichButton);
 }