Upstream hooks for javascript touch handlers on Android.

content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java

 // Copyright (c) 2012 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.content.browser;
 
 import android.app.Activity;
 import android.content.Context;
 import android.content.pm.ActivityInfo;
 import android.content.pm.PackageManager;
@@ skipping 814 matching lines @@
     @Override
     public boolean sendTouchEvent(long timeMs, int action, TouchPoint[] pts) {
         if (mNativeContentViewCore != 0) {
             return nativeSendTouchEvent(mNativeContentViewCore, timeMs, action, pts);
         }
         return false;
     }
 
     @SuppressWarnings("unused")
     @CalledByNative
-    private void didSetNeedTouchEvents(boolean needTouchEvents) {
-        mContentViewGestureHandler.didSetNeedTouchEvents(needTouchEvents);
+    private void hasTouchEventHandlers(boolean hasTouchHandlers) {
+        mContentViewGestureHandler.hasTouchEventHandlers(hasTouchHandlers);
     }
 
     @SuppressWarnings("unused")
     @CalledByNative
     private void confirmTouchEvent(boolean handled) {
         mContentViewGestureHandler.confirmTouchEvent(handled);
     }
 
     @Override
     public boolean sendGesture(int type, long timeMs, int x, int y, Bundle b) {
@@ skipping 1339 matching lines @@
     private native void nativeAddJavascriptInterface(int nativeContentViewCoreImpl, Object object,
                                                      String name, boolean requireAnnotation);
 
     private native void nativeRemoveJavascriptInterface(int nativeContentViewCoreImpl, String name);
 
     private native int nativeGetNavigationHistory(int nativeContentViewCoreImpl, Object context);
 
     private native void nativeUpdateVSyncParameters(int nativeContentViewCoreImpl,
             long timebaseMicros, long intervalMicros);
 }