Use KeyDown instead of RawKeyDown for Android key events.

content/public/browser/native_web_keyboard_event.h

 // 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.
 
 #ifndef CONTENT_PUBLIC_BROWSER_NATIVE_WEB_KEYBOARD_EVENT_H_
 #define CONTENT_PUBLIC_BROWSER_NATIVE_WEB_KEYBOARD_EVENT_H_
 
 #include "base/compiler_specific.h"
 #include "base/strings/string16.h"
 #include "build/build_config.h"
@@ skipping 12 matching lines @@
 namespace content {
 
 // Owns a platform specific event; used to pass own and pass event through
 // platform independent code.
 struct CONTENT_EXPORT NativeWebKeyboardEvent :
   NON_EXPORTED_BASE(public blink::WebKeyboardEvent) {
   NativeWebKeyboardEvent();
 
   explicit NativeWebKeyboardEvent(gfx::NativeEvent native_event);
 #if defined(OS_ANDROID)
-  NativeWebKeyboardEvent(blink::WebInputEvent::Type type,
-                         int modifiers,
-                         double time_secs,
-                         int keycode,
-                         int scancode,
-                         int unicode_character,
-                         bool is_system_key);
-  // Takes ownership of android_key_event.
+  // Holds a global ref to android_key_event (allowed to be null).
   NativeWebKeyboardEvent(
       JNIEnv* env,
       const base::android::JavaRef<jobject>& android_key_event,
       blink::WebInputEvent::Type type,
       int modifiers,
       double time_secs,
       int keycode,
       int scancode,
       int unicode_character,
       bool is_system_key);
@@ skipping 16 matching lines @@
   // renderer. This happens for RawKeyDown events that are created while IME is
   // active and is necessary to prevent backspace from doing "history back" if
   // it is hit in ime mode.
   // Currently, it's only used by Linux and Mac ports.
   bool skip_in_browser;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_NATIVE_WEB_KEYBOARD_EVENT_H_