Refactoring button field and its type

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 278 matching lines @@
       // A bitwise OR of the WebMouseEvent::*ButtonDown values corresponding to
       // currently pressed buttons of the pointer (e.g. pen or mouse).
       int current_buttons_;
 
       // Location of last mouseMoveTo event of this pointer.
       blink::WebPoint last_pos_;
 
       int modifiers_;
 
       PointerState()
-      : pressed_button_(blink::WebMouseEvent::ButtonNone)
+      : pressed_button_(blink::WebMouseEvent::Button::NoButton)
       , current_buttons_(0)
       , last_pos_(blink::WebPoint(0, 0))
       , modifiers_(0) { }
   };
   typedef std::unordered_map<int, PointerState> PointerStateMap;
   PointerStateMap current_pointer_state_;
 
   bool replaying_saved_events_;
 
   std::deque<SavedEvent> mouse_event_queue_;
@@ skipping 16 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_