Introduce WebInputMethodController to blink

third_party/WebKit/public/web/WebWidget.h

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 120 matching lines @@
         const WebFloatSize& elasticOverscrollDelta,
         float scaleFactor,
         float topControlsShownRatioDelta) { }
 
     // Called to inform the WebWidget that mouse capture was lost.
     virtual void mouseCaptureLost() { }
 
     // Called to inform the WebWidget that it has gained or lost keyboard focus.
     virtual void setFocus(bool) { }
 
-    // Called to inform the WebWidget of a new composition text.
-    // If selectionStart and selectionEnd has the same value, then it indicates
-    // the input caret position. If the text is empty, then the existing
-    // composition text will be cancelled.
-    // Returns true if the composition text was set successfully.
-    virtual bool setComposition(
-        const WebString& text,
-        const WebVector<WebCompositionUnderline>& underlines,
-        int selectionStart,
-        int selectionEnd) { return false; }
-
-    enum ConfirmCompositionBehavior {
-        DoNotKeepSelection,
-        KeepSelection,
-    };
-
-    // Called to inform the WebWidget that deleting the ongoing composition if
-    // any, inserting the specified text, and moving the caret according to
-    // relativeCaretPosition.
-    virtual bool commitText(const WebString& text, int relativeCaretPosition) { return false; }
-
-    // Called to inform the WebWidget to confirm an ongoing composition.
-    virtual bool finishComposingText(ConfirmCompositionBehavior selectionBehavior) { return false; }
-
     // Fetches the character range of the current composition, also called the
     // "marked range."
     virtual WebRange compositionRange() { return WebRange(); }
 
     // Returns information about the current text input of this WebWidget.
     // Note that this query can be expensive for long fields, as it returns the
     // plain-text representation of the current editable element. Consider using
     // the lighter-weight textInputType() when appropriate.
     virtual WebTextInputInfo textInputInfo() { return WebTextInputInfo(); }
 
@@ skipping 71 matching lines @@
     // Applies the range on the focused frame so that the text will later be replaced.
     virtual void applyReplacementRange(const WebRange&) {}
 
 protected:
     ~WebWidget() { }
 };
 
 } // namespace blink
 
 #endif