Refactor the Android port to allow access to the chrome layer.

content/browser/android/ime_utils.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_BROWSER_ANDROID_IME_UTILS_H_
-#define CONTENT_BROWSER_ANDROID_IME_UTILS_H_
-
-#include <jni.h>
-
-class AndroidKeyEvent;
-
-namespace content {
-
-struct NativeWebKeyboardEvent;
-
-// Returns a java KeyEvent from a NativeWebKeyboardEvent, NULL if it fails.
-jobject KeyEventFromNative(const NativeWebKeyboardEvent& event);
-
-// Maps a java KeyEvent into a NativeWebKeyboardEvent.
-// |java_key_event| is used to maintain a globalref for KeyEvent.
-// |action| will help determine the WebInputEvent type.
-// type, |modifiers|, |time_ms|, |key_code|, |unicode_char| is used to create
-// WebKeyboardEvent. |key_code| is also needed ad need to treat the enter key
-// as a key press of character \r.
-NativeWebKeyboardEvent NativeWebKeyboardEventFromKeyEvent(
-    JNIEnv* env, jobject java_key_event, int action, int modifiers,
-    long time_ms, int key_code, bool is_system_key, int unicode_char);
-
-}  // namespace content
-
-#endif  // CONTENT_BROWSER_ANDROID_IME_UTILS_H_