Implement put_accvalue for textfields and location bar.

ui/views/accessibility/native_view_accessibility_win.h

Index: ui/views/accessibility/native_view_accessibility_win.h
diff --git a/ui/views/accessibility/native_view_accessibility_win.h b/ui/views/accessibility/native_view_accessibility_win.h
index aff2a6f6e8725bd04a30ba1636e2c2da3a7ad653..32648302fcc653396cbdce14402a84c5246ee9aa 100644
--- a/ui/views/accessibility/native_view_accessibility_win.h
+++ b/ui/views/accessibility/native_view_accessibility_win.h
@@ -117,7 +117,9 @@ NativeViewAccessibilityWin
   // Retrieves the current value associated with the specified object.
   STDMETHODIMP get_accValue(VARIANT var_id, BSTR* value);
 
-  // Non-supported IAccessible methods.
+  // Set the value of the control. Not used by screen readers, but used

[msw, 2013/08/31 20:22:36]

optional nit: put this and get_accValue together with a combined comment.

[dmazzoni, 2013/09/03 20:20:11]

Done.

+  // frequently by automation software.
+  STDMETHODIMP put_accValue(VARIANT var_id, BSTR new_value);
 
   // Selections not applicable to views.
   STDMETHODIMP get_accSelection(VARIANT* selected);
@@ -131,7 +133,6 @@ NativeViewAccessibilityWin
 
   // Deprecated functions, not implemented here.
   STDMETHODIMP put_accName(VARIANT var_id, BSTR put_name);
-  STDMETHODIMP put_accValue(VARIANT var_id, BSTR put_val);
 
   //
   // IAccessible2