[WIP] Add support for Android SuggestionSpans when editing text

third_party/WebKit/public/web/WebWidgetClient.h

Index: third_party/WebKit/public/web/WebWidgetClient.h
diff --git a/third_party/WebKit/public/web/WebWidgetClient.h b/third_party/WebKit/public/web/WebWidgetClient.h
index 5a653c7430add84796d29e188ccad2395bebf81d..05e62eb077b9de560b7149a3254982f7549233a9 100644
--- a/third_party/WebKit/public/web/WebWidgetClient.h
+++ b/third_party/WebKit/public/web/WebWidgetClient.h
@@ -144,6 +144,14 @@ class WebWidgetClient {
   // 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.