[MacViews] Implemented text context menu

ui/views/word_lookup_client.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_WORD_LOOKUP_CLIENT_H_
 #define UI_VIEWS_WORD_LOOKUP_CLIENT_H_
 
 #include "ui/views/views_export.h"
 
 namespace gfx {
 struct DecoratedText;
 class Point;
 }
 
 namespace views {
 
 // An interface implemented by a view which supports word lookups.
 class VIEWS_EXPORT WordLookupClient {
  public:
   // Retrieves the word displayed at the given |point| along with its styling
   // information. |point| is in the coordinate system of the view. If no word is
   // displayed at the point, returns a nearby word. |baseline_point| should
-  // correspond to the baseline point of the leftmost glyph of the |word| in the
+  // correspond to the baseline point of the leftmost glyph of the word in the
   // view's coordinates. Returns false, if no word can be retrieved.
-  virtual bool GetDecoratedWordAtPoint(const gfx::Point& point,
-                                       gfx::DecoratedText* decorated_word,
-                                       gfx::Point* baseline_point) = 0;
+  virtual bool GetDecoratedWordAndBaselineAtPoint(
+      const gfx::Point& point,
+      gfx::DecoratedText* decorated_word,
+      gfx::Point* baseline_point) = 0;
+
+  // Retrieves the text that is currently selected with its styling
+  // information. |baseline_point| should correspond to the baseline point of
+  // the leftmost glyph of the word in the view's coordinates. Returns
+  // false, if no text can be retrieved.
+  virtual bool GetDecoratedTextAndBaselineFromSelection(
+      gfx::DecoratedText* decorated_text,
+      gfx::Point* baseline_point) = 0;
 
  protected:
   virtual ~WordLookupClient() {}
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_WORD_LOOKUP_CLIENT_H_