Scale the emulated event in EventSender when use-zoom-for-dsf is enabled

components/test_runner/event_sender.h

 // 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.
 
 #ifndef COMPONENTS_TEST_RUNNER_EVENT_SENDER_H_
 #define COMPONENTS_TEST_RUNNER_EVENT_SENDER_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 187 matching lines @@
 
   void DoDragAfterMouseUp(const blink::WebMouseEvent&);
   void DoDragAfterMouseMove(const blink::WebMouseEvent&);
   void ReplaySavedEvents();
   blink::WebInputEventResult HandleInputEventOnViewOrPopup(
       const blink::WebInputEvent&);
 
   void SendGesturesForMouseWheelEvent(
       const blink::WebMouseWheelEvent wheel_event);
 
+  std::unique_ptr<blink::WebInputEvent> ScaleEvent(

[tkent, 2016/06/27 00:54:55]

We should have a comment that this returns null unique_ptr if the scale is 1.0.

[oshima, 2016/06/27 02:29:36]

Done.

+      const blink::WebInputEvent& event);
+
   double last_event_timestamp() { return last_event_timestamp_; }
 
   bool force_layout_on_events() const { return force_layout_on_events_; }
   void set_force_layout_on_events(bool force) {
     force_layout_on_events_ = force;
   }
 
   bool is_drag_mode() const { return is_drag_mode_; }
   void set_is_drag_mode(bool drag_mode) { is_drag_mode_ = drag_mode; }
 
@@ skipping 105 matching lines @@
   double last_event_timestamp_;
 
   base::WeakPtrFactory<EventSender> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(EventSender);
 };
 
 }  // namespace test_runner
 
 #endif  // COMPONENTS_TEST_RUNNER_EVENT_SENDER_H_