[WIP] Add support for Android SuggestionSpans when editing text

third_party/WebKit/Source/web/WebInputMethodControllerImpl.h

Index: third_party/WebKit/Source/web/WebInputMethodControllerImpl.h
diff --git a/third_party/WebKit/Source/web/WebInputMethodControllerImpl.h b/third_party/WebKit/Source/web/WebInputMethodControllerImpl.h
index 076933575cab1f0a234a654b645ede49cbb36acb..39e10c06886b5c51e3675d2a9e95edd0daa7c4ad 100644
--- a/third_party/WebKit/Source/web/WebInputMethodControllerImpl.h
+++ b/third_party/WebKit/Source/web/WebInputMethodControllerImpl.h
@@ -36,8 +36,14 @@ class WebInputMethodControllerImpl : public WebInputMethodController {
                   int relativeCaretPosition) override;
   bool finishComposingText(
       ConfirmCompositionBehavior selectionBehavior) override;
+  void applySuggestionReplacement(int documentMarkerID,
+                                  int suggestionIndex) override;
+  void deleteSuggestionHighlight() override;
+  void suggestionMenuClosed() override;
   WebTextInputInfo textInputInfo() override;
   WebTextInputType textInputType() override;
+  WebVector<WebTextSuggestionInfo> getTextSuggestionInfosUnderCaret() override;
+  void prepareForTextSuggestionMenuToBeShown() override;
 
   void setSuppressNextKeypressEvent(bool suppress) {
     m_suppressNextKeypressEvent = suppress;