[WIP] Add support for Android SuggestionSpans when editing text

content/renderer/render_widget.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_RENDERER_RENDER_WIDGET_H_
 #define CONTENT_RENDERER_RENDER_WIDGET_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 250 matching lines @@
                                     bool event_processed) override;
 
   void OnDidHandleKeyEvent() override;
   void OnDidOverscroll(const ui::DidOverscrollParams& params) override;
   void OnInputEventAck(std::unique_ptr<InputEventAck> input_event_ack) override;
   void NotifyInputEventHandled(blink::WebInputEvent::Type handled_type,
                                InputEventAckState ack_result) override;
   void SetInputHandler(RenderWidgetInputHandler* input_handler) override;
   void ShowVirtualKeyboard() override;
   void UpdateTextInputState() override;
+  void HandlePotentialTextSuggestionTap() override;
   bool WillHandleGestureEvent(const blink::WebGestureEvent& event) override;
   bool WillHandleMouseEvent(const blink::WebMouseEvent& event) override;
 
   // RenderWidgetScreenMetricsDelegate
   void Redraw() override;
   void Resize(const ResizeParams& resize_params) override;
   void SetScreenMetricsEmulationParameters(
       bool enabled,
       const blink::WebDeviceEmulationParams& params) override;
   void SetScreenRects(const gfx::Rect& view_screen_rect,
@@ skipping 218 matching lines @@
       const std::vector<blink::WebCompositionUnderline>& underlines,
       const gfx::Range& replacement_range,
       int selection_start,
       int selection_end);
   virtual void OnImeCommitText(
       const base::string16& text,
       const std::vector<blink::WebCompositionUnderline>& underlines,
       const gfx::Range& replacement_range,
       int relative_cursor_pos);
   virtual void OnImeFinishComposingText(bool keep_selection);
+  virtual void OnImeApplySuggestionReplacement(int document_marker_id,
+                                               int suggestion_index);
+  virtual void OnImeDeleteSuggestionHighlight();
+  virtual void OnImeCloseSuggestionMenu();
 
   // Called when the device scale factor is changed, or the layer tree is
   // initialized.
   virtual void OnDeviceScaleFactorChanged();
 
   void OnRepaint(gfx::Size size_to_paint);
   void OnSyntheticGestureCompleted();
   void OnSetTextDirection(blink::WebTextDirection direction);
   void OnGetFPS();
   void OnUpdateScreenRects(const gfx::Rect& view_screen_rect,
@@ skipping 328 matching lines @@
   DragEventSourceInfo possible_drag_event_info_;
 
   base::WeakPtrFactory<RenderWidget> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidget);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_WIDGET_H_