MacViews: Implement Full Keyboard Access.

ui/views/focus/focus_search.h

 // Copyright (c) 2011 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_FOCUS_FOCUS_SEARCH_H_
 #define UI_VIEWS_FOCUS_FOCUS_SEARCH_H_
 
 #include "base/macros.h"
 #include "ui/views/view.h"
 
@@ skipping 69 matching lines @@
   virtual bool Contains(View* root, const View* v);
 
   View* root() const { return root_; }
 
  private:
   // Convenience method that returns true if a view is focusable and does not
   // belong to the specified group.
   bool IsViewFocusableCandidate(View* v, int skip_group_id);
 
   // Convenience method; returns true if a view is not NULL and is focusable
-  // (checking IsAccessibilityFocusable() if |accessibility_mode_| is true).
+  // (checking IsAccessibilityFocusable() if |accessibility_mode_| is true or
+  // the associated FocusManager has keyboard accessibility enabled).
   bool IsFocusable(View* v);
 
   // Returns the view selected for the group of the selected view. If the view
   // does not belong to a group or if no view is selected in the group, the
   // specified view is returned.
   View* FindSelectedViewForGroup(View* view);
 
   // Returns the next focusable view or view containing a FocusTraversable
   // (NULL if none was found), starting at the starting_view.
   // |check_starting_view|, |can_go_up| and |can_go_down| controls the
@@ skipping 19 matching lines @@
   View* root_;
   bool cycle_;
   bool accessibility_mode_;
 
   DISALLOW_COPY_AND_ASSIGN(FocusSearch);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_FOCUS_FOCUS_SEARCH_H_