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 123 matching lines @@
                                    const WebFloatSize& elasticOverscrollDelta,
                                    float scaleFactor,
                                    float browserControlsShownRatioDelta) {}
 
   // 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 78 matching lines @@
   // replaced.
   virtual void applyReplacementRange(const WebRange&) {}
 
  protected:
   ~WebWidget() {}
 };
 
 }  // namespace blink
 
 #endif