Introduce InputMethodAuraAndroid for Aura on Android

ui/base/ime/input_method_android.h

-// Copyright 2013 The Chromium Authors. All rights reserved.
+// Copyright 2015 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 UI_BASE_IME_INPUT_METHOD_MINIMAL_H_
-#define UI_BASE_IME_INPUT_METHOD_MINIMAL_H_
+#ifndef UI_BASE_IME_INPUT_METHOD_ANDROID_H_
+#define UI_BASE_IME_INPUT_METHOD_ANDROID_H_
 
 #include "ui/base/ime/input_method_base.h"
 
 namespace ui {
 
-// A minimal implementation of ui::InputMethod, which supports only the direct
-// input without any compositions or conversions.
-class UI_BASE_IME_EXPORT InputMethodMinimal : public InputMethodBase {
+// A ui::InputMethod implementation for Aura on Android platform.
+class UI_BASE_IME_EXPORT InputMethodAndroid : public InputMethodBase {
  public:
-  explicit InputMethodMinimal(internal::InputMethodDelegate* delegate);
-  ~InputMethodMinimal() override;
+  explicit InputMethodAndroid(internal::InputMethodDelegate* delegate);
+  ~InputMethodAndroid() override;
 
+ private:
   // Overriden from InputMethod.
   bool OnUntranslatedIMEMessage(const base::NativeEvent& event,
                                 NativeEventResult* result) override;
   void DispatchKeyEvent(ui::KeyEvent* event) override;
   void OnCaretBoundsChanged(const TextInputClient* client) override;
   void CancelComposition(const TextInputClient* client) override;
   void OnInputLocaleChanged() override;
   std::string GetInputLocale() override;
   bool IsCandidatePopupOpen() const override;
 
- private:
-  DISALLOW_COPY_AND_ASSIGN(InputMethodMinimal);
+  DISALLOW_COPY_AND_ASSIGN(InputMethodAndroid);
 };
 
 }  // namespace ui
 
-#endif  // UI_BASE_IME_INPUT_METHOD_MINIMAL_H_
+#endif  // UI_BASE_IME_INPUT_METHOD_ANDROID_H_
+