Support accDoDefaultAction for NativeButton in ViewAccessibility....

views/accessibility/view_accessibility.cc

Index: views/accessibility/view_accessibility.cc
===================================================================
--- views/accessibility/view_accessibility.cc	(revision 70902)
+++ views/accessibility/view_accessibility.cc	(working copy)
@@ -5,6 +5,7 @@
 #include "views/accessibility/view_accessibility.h"
 
 #include "app/view_prop.h"
+#include "views/controls/button/native_button.h"
 #include "views/widget/widget.h"
 #include "views/widget/widget_win.h"
 
@@ -83,6 +84,22 @@
   return S_OK;
 }
 
+HRESULT ViewAccessibility::accDoDefaultAction(VARIANT var_id) {
+  if (!IsValidId(var_id))
+    return E_INVALIDARG;
+
+  if (view_->GetClassName() == views::NativeButton::kViewClassName) {
+    views::NativeButton* native_button =
+        static_cast<views::NativeButton*>(view_);
+    native_button->ButtonPressed();
+    return S_OK;
+  }
+
+  // The object does not support the method. This value is returned for
+  // controls that do not perform actions, such as edit fields.
+  return DISP_E_MEMBERNOTFOUND;
+}
+
 STDMETHODIMP ViewAccessibility::accLocation(
     LONG* x_left, LONG* y_top, LONG* width, LONG* height, VARIANT var_id) {
   if (!IsValidId(var_id) || !x_left || !y_top || !width || !height)
@@ -535,10 +552,6 @@
 
 // IAccessible functions not supported.
 
-HRESULT ViewAccessibility::accDoDefaultAction(VARIANT var_id) {
-  return E_NOTIMPL;
-}
-
 STDMETHODIMP ViewAccessibility::get_accSelection(VARIANT* selected) {
   if (selected)
     selected->vt = VT_EMPTY;