Consolidate/cleanup event cracking code; single out GdkEvents.

ui/views/events/event.cc

 // Copyright (c) 2011 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/views/events/event.h"
 
 #include "ui/views/view.h"
 
 namespace ui {
 
@@ skipping 32 matching lines @@
                            View* source,
                            View* target)
     : Event(other.type(), other.flags()) {
   location_ = other.location();
   View::ConvertPointToView(*source, *target, &location_);
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // MouseEvent, public:
 
+MouseEvent::MouseEvent(const ui::NativeEvent& native_event)
+    : LocatedEvent(ui::EventTypeFromNative(native_event),
+                   ui::EventLocationFromNative(native_event),
+                   ui::EventFlagsFromNative(native_event)) {
+}
+
 MouseEvent::MouseEvent(const MouseEvent& other, View* source, View* target)
     : LocatedEvent(other, source, target) {
 }
 
+KeyEvent::KeyEvent(const ui::NativeEvent& native_event)
+    : Event(ui::EventTypeFromNative(native_event),
+            ui::EventFlagsFromNative(native_event)),
+      key_code_(ui::KeyboardCodeFromNative(native_event)) {
+}
+
+MouseWheelEvent::MouseWheelEvent(const ui::NativeEvent& native_event)
+    : LocatedEvent(ui::EventTypeFromNative(native_event),
+                   ui::EventLocationFromNative(native_event),
+                   ui::EventFlagsFromNative(native_event)),
+      offset_(ui::GetMouseWheelOffset(native_event)) {
+}
+
 }  // namespace ui