[WIP] Add support for Android SuggestionSpans when editing text

content/browser/renderer_host/render_widget_host_impl.h

Index: content/browser/renderer_host/render_widget_host_impl.h
diff --git a/content/browser/renderer_host/render_widget_host_impl.h b/content/browser/renderer_host/render_widget_host_impl.h
index 60cca7c752765ef0687868539dd2900191d0d945..22007974af4527e6be6167faaa2c3ffe1cfd4d25 100644
--- a/content/browser/renderer_host/render_widget_host_impl.h
+++ b/content/browser/renderer_host/render_widget_host_impl.h
@@ -425,6 +425,10 @@ class CONTENT_EXPORT RenderWidgetHostImpl : public RenderWidgetHost,
   // Cancels an ongoing composition.
   void ImeCancelComposition();
 
+  void ImeApplySuggestionReplacement(int documentMarkerID, int suggestionIndex);
+  void ImeDeleteSuggestionHighlight();
+  void ImeCloseSuggestionMenu();
+
   bool ignore_input_events() const {
     return ignore_input_events_;
   }
@@ -635,6 +639,8 @@ class CONTENT_EXPORT RenderWidgetHostImpl : public RenderWidgetHost,
       const gfx::Range& range,
       const std::vector<gfx::Rect>& character_bounds);
   void OnImeCancelComposition();
+  void OnShowTextSuggestionMenu(
+      const std::vector<blink::WebTextSuggestionInfo>& suggestionInfos);
   void OnLockMouse(bool user_gesture,
                    bool last_unlocked_by_target,
                    bool privileged);