MacViews: Select word under cursor on right click.

ui/views/selection_controller.h

 // Copyright 2016 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 UI_VIEWS_SELECTION_CONTROLLER_H_
 #define UI_VIEWS_SELECTION_CONTROLLER_H_
 
 #include "base/time/time.h"
 #include "base/timer/timer.h"
 #include "ui/gfx/geometry/point.h"
@@ skipping 35 matching lines @@
   // Sets whether the SelectionController should update or paste the
   // selection clipboard on middle-click. Default is false.
   void set_handles_selection_clipboard(bool value) {
     handles_selection_clipboard_ = value;
   }
 
  private:
   // Tracks the mouse clicks for single/double/triple clicks.
   void TrackMouseClicks(const ui::MouseEvent& event);
 
+  // Selects the word at the given |point|.
+  void SelectWord(const gfx::Point& point);
+
   // Returns the associated render text instance via the |delegate_|.
   gfx::RenderText* GetRenderText();
 
   // Helper function to update the selection on a mouse drag as per
   // |last_drag_location_|. Can be called asynchronously, through a timer.
   void SelectThroughLastDragLocation();
 
   // A timer and point used to modify the selection when dragging.
   base::RepeatingTimer drag_selection_timer_;
   gfx::Point last_drag_location_;
@@ skipping 15 matching lines @@
 
   // Whether the selection clipboard is handled.
   bool handles_selection_clipboard_;
 
   DISALLOW_COPY_AND_ASSIGN(SelectionController);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_SELECTION_CONTROLLER_H_