[WIP] Add support for Android SuggestionSpans when editing text

third_party/WebKit/public/web/WebWidgetClient.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 126 matching lines @@
   // Called to update if touch events should be sent.
   virtual void hasTouchEventHandlers(bool) {}
 
   // Called during WebWidget::HandleInputEvent for a TouchStart event to inform
   // the embedder of the touch actions that are permitted for this touch.
   virtual void setTouchAction(WebTouchAction touchAction) {}
 
   // Request the browser to show virtual keyboard for current input type.
   virtual void showVirtualKeyboardOnElementFocus() {}
 
+  // Checks if the composition range or composition character bounds have been
+  // changed. If they are changed, the new value will be sent to the browser
+  // process. This method does nothing when the browser process is not able to
+  // handle composition range and composition character bounds.
+  // If immediate_request is true, render sends the latest composition info to
+  // the browser even if the composition info is not changed.
+  virtual void updateCompositionInfo(bool immediateRequest){};
+
   // Request that the browser show a UI for an unhandled tap, if needed.
   // Invoked during the handling of a GestureTap input event whenever the
   // event is not consumed.
   // |tappedPosition| is the point where the mouseDown occurred in client
   // coordinates.
   // |tappedNode| is the node that the mouseDown event hit, provided so the
   // UI can be shown only on certain kinds of nodes in specific locations.
   // |pageChanged| is true if and only if the DOM tree or style was
   // modified during the dispatch of the mouse*, or click events associated
   // with the tap.
@@ skipping 22 matching lines @@
   virtual void startDragging(WebReferrerPolicy,
                              const WebDragData&,
                              WebDragOperationsMask,
                              const WebImage& dragImage,
                              const WebPoint& dragImageOffset) {}
 };
 
 }  // namespace blink
 
 #endif