Consolidate OnKeyEvent and InputMethod code.

views/ime/input_method.h

 // 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.
 
 #ifndef VIEWS_IME_INPUT_METHOD_H_
 #define VIEWS_IME_INPUT_METHOD_H_
 #pragma once
 
 #include <string>
 
@@ skipping 39 matching lines @@
   // Called when the top-level NativeWidget loses keyboard focus. It should only
   // be called by the top-level NativeWidget which owns this InputMethod
   // instance.
   virtual void OnBlur() = 0;
 
   // Dispatch a key event to the input method. The key event will be dispatched
   // back to the caller via InputMethodDelegate::DispatchKeyEventPostIME(), once
   // it's processed by the input method. It should only be called by the
   // top-level NativeWidget which owns this InputMethod instance, or other
   // related platform dependent code, such as a message dispatcher.
-  virtual void DispatchKeyEvent(const KeyEvent& key) = 0;
+  // Returns true if the event was handled, or no further handling is required.
+  virtual bool OnKeyEvent(const KeyEvent& key) = 0;
 
   // Called by the focused |view| whenever its text input type is changed.
   // Before calling this method, the focused |view| must confirm or clear
   // existing composition text and call InputMethod::CancelComposition() when
   // necessary. Otherwise unexpected behavior may happen. This method has no
   // effect if the |view| is not focused.
   virtual void OnTextInputTypeChanged(View* view) = 0;
 
   // Called by the focused |view| whenever its caret bounds is changed.
   // This method has no effect if the |view| is not focused.
@@ skipping 29 matching lines @@
   // Gets the text input type of the focused text input client. Returns
   // ui::TEXT_INPUT_TYPE_NONE if there is no focused text input client.
   virtual ui::TextInputType GetTextInputType() const = 0;
 
   // TODO(suzhe): Support mouse/touch event.
 };
 
 }  // namespace views
 
 #endif  // VIEWS_IME_INPUT_METHOD_H_