Upstream hooks for javascript touch handlers on Android.

content/browser/renderer_host/render_widget_host_impl.cc

 // 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.
 
 #include "content/browser/renderer_host/render_widget_host_impl.h"
 
 #include <math.h>
 #include <utility>
 
 #include "base/auto_reset.h"
@@ skipping 1749 matching lines @@
   RecordAction(UserMetricsAction("BadMessageTerminate_RWH5"));
   GetProcess()->ReceivedBadMessage();
 }
 
 void RenderWidgetHostImpl::OnMsgHasTouchEventHandlers(bool has_handlers) {
   if (has_touch_handler_ == has_handlers)
     return;
   has_touch_handler_ = has_handlers;
   if (!has_touch_handler_)
     touch_event_queue_->FlushQueue();
+#if defined(OS_ANDROID)
+  if (view_)
+    view_->HasTouchEventHandlers(has_touch_handler_);
+#endif
 }
 
 void RenderWidgetHostImpl::OnMsgSetCursor(const WebCursor& cursor) {
   if (!view_) {
     return;
   }
   view_->UpdateCursor(cursor);
 }
 
 void RenderWidgetHostImpl::OnMsgTextInputStateChanged(
@@ skipping 381 matching lines @@
     return;
 
   OnRenderAutoResized(new_size);
 }
 
 void RenderWidgetHostImpl::DetachDelegate() {
   delegate_ = NULL;
 }
 
 }  // namespace content