Update EventSender::GestureTap to return a bool (if handled).

content/shell/renderer/test_runner/event_sender.cc

 // Copyright 2014 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/shell/renderer/test_runner/event_sender.h"
 
 #include "base/basictypes.h"
 #include "base/logging.h"
 #include "base/strings/stringprintf.h"
 #include "content/public/common/page_zoom.h"
@@ skipping 2049 matching lines @@
       NOTREACHED();
   }
 
   event.globalX = event.x;
   event.globalY = event.y;
   event.timeStampSeconds = GetCurrentEventTimeSec();
 
   if (force_layout_on_events_)
     view_->layout();
 
-  view_->handleInputEvent(event);
+  bool result = view_->handleInputEvent(event);
 
   // Long press might start a drag drop session. Complete it if so.
   if (type == WebInputEvent::GestureLongPress && !current_drag_data_.isNull()) {
     WebMouseEvent mouse_event;
     InitMouseEvent(WebInputEvent::MouseDown,
                    pressed_button_,
                    point,
                    GetCurrentEventTimeSec(),
                    click_count_,
                    0,
                    &mouse_event);
 
     FinishDragAndDrop(mouse_event, blink::WebDragOperationNone);
   }
+  args->Return(result);
 }
 
 void EventSender::UpdateClickCountForButton(
     WebMouseEvent::Button button_type) {
   if ((GetCurrentEventTimeSec() - last_click_time_sec_ <
        kMultipleClickTimeSec) &&
       (!OutsideMultiClickRadius(last_mouse_pos_, last_click_pos_)) &&
       (button_type == last_button_type_)) {
     ++click_count_;
   } else {
@@ skipping 146 matching lines @@
       }
       default:
         NOTREACHED();
     }
   }
 
   replaying_saved_events_ = false;
 }
 
 }  // namespace content