[MacViews] Implemented text context menu

ui/gfx/render_text.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 UI_GFX_RENDER_TEXT_H_
 #define UI_GFX_RENDER_TEXT_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 503 matching lines @@
 
   // Returns the line offset from the origin after applying the text alignment
   // and the display offset.
   Vector2d GetLineOffset(size_t line_number);
 
   // Retrieves the word displayed at the given |point| along with its styling
   // information. |point| is in the view's coordinates. 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 view's
   // coordinates. Returns false, if no word can be retrieved.
-  bool GetDecoratedWordAtPoint(const Point& point,
-                               DecoratedText* decorated_word,
-                               Point* baseline_point);
+  bool GetDecoratedWordAndBaselineAtPoint(const Point& point,
+                                          DecoratedText* decorated_word,
+                                          Point* baseline_point);
+
+  // Retrieves the text at the given |range| along 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 word can be retrieved.
+  bool GetDecoratedTextAndBaselineForRange(const Range& range,
+                                           DecoratedText* decorated_text,
+                                           Point* baseline_point);
 
   // Retrieves the text in the given |range|.
   base::string16 GetTextFromRange(const Range& range) const;
 
  protected:
   RenderText();
 
   // NOTE: The value of these accessors may be stale. Please make sure
   // that these fields are up to date before accessing them.
   const base::string16& layout_text() const { return layout_text_; }
@@ skipping 324 matching lines @@
   // Lines computed by EnsureLayout. These should be invalidated upon
   // OnLayoutTextAttributeChanged and OnDisplayTextAttributeChanged calls.
   std::vector<internal::Line> lines_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderText);
 };
 
 }  // namespace gfx
 
 #endif  // UI_GFX_RENDER_TEXT_H_