Distinguish between keystroke and character events.

ui/events/ozone/events_ozone.cc

 // Copyright (c) 2013 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/events/event.h"
 #include "ui/events/event_constants.h"
 #include "ui/events/event_utils.h"
 
 namespace ui {
 
@@ skipping 46 matching lines @@
   DCHECK(event->IsKeyEvent());
   return event->code().c_str();
 }
 
 uint32 PlatformKeycodeFromNative(const base::NativeEvent& native_event) {
   const ui::KeyEvent* event = static_cast<const ui::KeyEvent*>(native_event);
   DCHECK(event->IsKeyEvent());
   return event->platform_keycode();
 }
 
+bool IsCharFromNative(const base::NativeEvent& native_event) {
+  const ui::KeyEvent* event = static_cast<const ui::KeyEvent*>(native_event);
+  DCHECK(event->IsKeyEvent());
+  return event->is_char();
+}
+
 gfx::Vector2d GetMouseWheelOffset(const base::NativeEvent& native_event) {
   const ui::MouseWheelEvent* event =
       static_cast<const ui::MouseWheelEvent*>(native_event);
   DCHECK(event->type() == ET_MOUSEWHEEL);
   return event->offset();
 }
 
 base::NativeEvent CopyNativeEvent(const base::NativeEvent& event) {
   return NULL;
 }
@@ skipping 66 matching lines @@
   *end_time = 0;
   return false;
 }
 
 int GetModifiersFromKeyState() {
   NOTIMPLEMENTED();
   return 0;
 }
 
 }  // namespace ui