Add EventForwarder for routing touch events

android_webview/java/src/org/chromium/android_webview/PopupTouchHandleDrawable.java

 // Copyright 2016 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.android_webview;
 
 import android.annotation.SuppressLint;
 import android.content.Context;
 import android.content.res.Configuration;
 import android.graphics.Canvas;
@@ skipping 231 matching lines @@
     @Override
     public boolean onTouchEvent(MotionEvent event) {
         if (mContentViewCore == null) return false;
         // Convert from PopupWindow local coordinates to
         // parent view local coordinates prior to forwarding.
         mContentViewCore.getContainerView().getLocationOnScreen(mTempScreenCoords);
         final float offsetX = event.getRawX() - event.getX() - mTempScreenCoords[0];
         final float offsetY = event.getRawY() - event.getY() - mTempScreenCoords[1];
         final MotionEvent offsetEvent = MotionEvent.obtainNoHistory(event);
         offsetEvent.offsetLocation(offsetX, offsetY);
-        final boolean handled = mContentViewCore.onTouchHandleEvent(offsetEvent);
+        final boolean handled =
+                mContentViewCore.getWebContents().getEventHandler().onTouchHandleEvent(offsetEvent);
         offsetEvent.recycle();
         return handled;
     }
 
     @CalledByNative
     private void setOrientation(int orientation, boolean mirrorVertical, boolean mirrorHorizontal) {
         assert (orientation >= TouchHandleOrientation.LEFT
                 && orientation <= TouchHandleOrientation.UNDEFINED);
 
         final boolean orientationChanged = mOrientation != orientation;
@@ skipping 361 matching lines @@
         // must be updated accordingly.
         mParentPositionObserver.clearListener();
         mParentPositionObserver = new ViewPositionObserver(newContainerView);
         if (mContainer.isShowing()) {
             mParentPositionObserver.addListener(mParentPositionListener);
         }
     }
 
     private native long nativeInit(float horizontalPaddingRatio);
 }