Replace views::Event with ui::Event.

ui/base/event.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 "ui/base/event.h"
 
 #if defined(USE_X11)
 #include <X11/Xlib.h>
 #endif
 
@@ skipping 54 matching lines @@
              int flags)
     : type_(type),
       time_stamp_(EventTimeFromNative(native_event)),
       flags_(flags),
       delete_native_event_(false) {
   InitWithNativeEvent(native_event);
 }
 
 Event::Event(const Event& copy)
     : native_event_(copy.native_event_),
+      ui_native_event_(copy.ui_native_event_),
       type_(copy.type_),
       time_stamp_(copy.time_stamp_),
       flags_(copy.flags_),
       delete_native_event_(false) {
 }
 
 void Event::Init() {
   std::memset(&native_event_, 0, sizeof(native_event_));
+  std::memset(&ui_native_event_, 0, sizeof(ui_native_event_));
 }
 
 void Event::InitWithNativeEvent(const base::NativeEvent& native_event) {
   native_event_ = native_event;
+  std::memset(&ui_native_event_, 0, sizeof(ui_native_event_));
 }
 
 LocatedEvent::~LocatedEvent() {
 }
 
 LocatedEvent::LocatedEvent(const base::NativeEvent& native_event)
     : Event(native_event,
             EventTypeFromNative(native_event),
             EventFlagsFromNative(native_event)),
       location_(EventLocationFromNative(native_event)),
@@ skipping 295 matching lines @@
 int GestureEvent::GetLowestTouchId() const {
   if (touch_ids_bitfield_ == 0)
     return -1;
   int i = -1;
   // Find the index of the least significant 1 bit
   while (!(1 << ++i & touch_ids_bitfield_));
   return i;
 }
 
 }  // namespace ui