Remove Event::system_location

ui/base/events/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/events/event.h"
 
 #if defined(USE_X11)
 #include <X11/Xlib.h>
 #endif
 
@@ skipping 135 matching lines @@
   // CHECK(phase_ != EP_PREDISPATCH && phase_ != EP_POSTDISPATCH);
   CHECK(cancelable_);
   result_ = static_cast<EventResult>(result_ | ER_HANDLED);
 }
 
 Event::Event(EventType type, base::TimeDelta time_stamp, int flags)
     : type_(type),
       time_stamp_(time_stamp),
       flags_(flags),
       dispatch_to_hidden_targets_(false),
+#if defined(USE_X11)
+      native_event_(NULL),
+#endif
       delete_native_event_(false),
       cancelable_(true),
       target_(NULL),
       phase_(EP_PREDISPATCH),
       result_(ER_UNHANDLED) {
   if (type_ < ET_LAST)
     name_ = EventTypeName(type_);
   Init();
 }
 
@@ skipping 21 matching lines @@
           name_for_event,
           0,
           1000000,
           100,
           base::HistogramBase::kUmaTargetedHistogramFlag);
   counter_for_type->Add(delta.InMicroseconds());
   InitWithNativeEvent(native_event);
 }
 
 Event::Event(const Event& copy)
-    : native_event_(::CopyNativeEvent(copy.native_event_)),
-      type_(copy.type_),
+    : type_(copy.type_),
       time_stamp_(copy.time_stamp_),
       flags_(copy.flags_),
       dispatch_to_hidden_targets_(false),
+      native_event_(::CopyNativeEvent(copy.native_event_)),
       delete_native_event_(false),
       cancelable_(true),
       target_(NULL),
       phase_(EP_PREDISPATCH),
       result_(ER_UNHANDLED) {
   if (type_ < ET_LAST)
     name_ = EventTypeName(type_);
 #if defined(USE_X11)
   if (native_event_)
     delete_native_event_ = true;
@@ skipping 31 matching lines @@
 // LocatedEvent
 
 LocatedEvent::~LocatedEvent() {
 }
 
 LocatedEvent::LocatedEvent(const base::NativeEvent& native_event)
     : Event(native_event,
             EventTypeFromNative(native_event),
             EventFlagsFromNative(native_event)),
       location_(EventLocationFromNative(native_event)),
-      root_location_(location_),
-      valid_system_location_(true),
-      system_location_(EventSystemLocationFromNative(native_event)) {
+      root_location_(location_) {
 }
 
 LocatedEvent::LocatedEvent(EventType type,
                            const gfx::Point& location,
                            const gfx::Point& root_location,
                            base::TimeDelta time_stamp,
                            int flags)
     : Event(type, time_stamp, flags),
       location_(location),
-      root_location_(root_location),
-      valid_system_location_(false),
-      system_location_(0, 0) {
+      root_location_(root_location) {
 }
 
 void LocatedEvent::UpdateForRootTransform(
     const gfx::Transform& reversed_root_transform) {
   // Transform has to be done at root level.
   gfx::Point3F p(location_);
   reversed_root_transform.TransformPoint(p);
   root_location_ = location_ = gfx::ToFlooredPoint(p.AsPointF());
 }
 
@@ skipping 450 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