[TTS] Add an ACK message to SelectWordAroundCaret.

content/browser/android/content_view_core_impl.h

 // Copyright 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_BROWSER_ANDROID_CONTENT_VIEW_CORE_IMPL_H_
 #define CONTENT_BROWSER_ANDROID_CONTENT_VIEW_CORE_IMPL_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 361 matching lines @@
   bool DoBrowserControlsShrinkBlinkSize() const;
   float GetTopControlsHeightDip() const;
   float GetBottomControlsHeightDip() const;
 
   void MoveRangeSelectionExtent(const gfx::PointF& extent);
 
   void SelectBetweenCoordinates(const gfx::PointF& base,
                                 const gfx::PointF& extent);
 
   void OnShowUnhandledTapUIIfNeeded(int x_dip, int y_dip);
+  void OnSelectWordAroundCaretAck(bool did_select,
+                                  int start_adjust,
+                                  int end_adjust);
 
   ui::ViewAndroid* GetViewAndroid() const;
 
  private:
   class ContentViewUserData;
 
   friend class ContentViewUserData;
   ~ContentViewCoreImpl() override;
 
   // WebContentsObserver implementation.
@@ skipping 59 matching lines @@
   scoped_refptr<GinJavaBridgeDispatcherHost> java_bridge_dispatcher_host_;
 
   DISALLOW_COPY_AND_ASSIGN(ContentViewCoreImpl);
 };
 
 bool RegisterContentViewCore(JNIEnv* env);
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_ANDROID_CONTENT_VIEW_CORE_IMPL_H_