Support accDoDefaultAction for NativeButton in ViewAccessibility....

views/accessibility/view_accessibility.h

 // Copyright (c) 2010 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 VIEWS_ACCESSIBILITY_VIEW_ACCESSIBILITY_H_
 #define VIEWS_ACCESSIBILITY_VIEW_ACCESSIBILITY_H_
 #pragma once
 
 #include <atlbase.h>
 #include <atlcom.h>
@@ skipping 30 matching lines @@
 
   virtual ~ViewAccessibility();
 
   void set_view(views::View* view) { view_ = view; }
 
   // Supported IAccessible methods.
 
   // Retrieves the child element or child object at a given point on the screen.
   STDMETHODIMP accHitTest(LONG x_left, LONG y_top, VARIANT* child);
 
+  // Performs the object's default action.
+  STDMETHODIMP accDoDefaultAction(VARIANT var_id);
+
   // Retrieves the specified object's current screen location.
   STDMETHODIMP accLocation(LONG* x_left,
                            LONG* y_top,
                            LONG* width,
                            LONG* height,
                            VARIANT var_id);
 
   // Traverses to another UI element and retrieves the object.
   STDMETHODIMP accNavigate(LONG nav_dir, VARIANT start, VARIANT* end);
 
@@ skipping 25 matching lines @@
   STDMETHODIMP get_accRole(VARIANT var_id, VARIANT* role);
 
   // Retrieves the current state of the specified object.
   STDMETHODIMP get_accState(VARIANT var_id, VARIANT* state);
 
   // Retrieves the current value associated with the specified object.
   STDMETHODIMP get_accValue(VARIANT var_id, BSTR* value);
 
   // Non-supported IAccessible methods.
 
-  // Out-dated and can be safely said to be very rarely used.
-  STDMETHODIMP accDoDefaultAction(VARIANT var_id);
-
   // Selections not applicable to views.
   STDMETHODIMP get_accSelection(VARIANT* selected);
   STDMETHODIMP accSelect(LONG flags_sel, VARIANT var_id);
 
   // Help functions not supported.
   STDMETHODIMP get_accHelp(VARIANT var_id, BSTR* help);
   STDMETHODIMP get_accHelpTopic(BSTR* help_file,
                                 VARIANT var_id,
                                 LONG* topic_id);
 
@@ skipping 47 matching lines @@
 
   // Member View needed for view-specific calls.
   views::View* view_;
 
   DISALLOW_COPY_AND_ASSIGN(ViewAccessibility);
 };
 
 extern const char kViewsNativeHostPropForAccessibility[];
 
 #endif  // VIEWS_ACCESSIBILITY_VIEW_ACCESSIBILITY_H_