Implement put_accvalue for textfields and location bar.

chrome/browser/ui/views/location_bar/location_bar_view.h

Index: chrome/browser/ui/views/location_bar/location_bar_view.h
diff --git a/chrome/browser/ui/views/location_bar/location_bar_view.h b/chrome/browser/ui/views/location_bar/location_bar_view.h
index f846263ee5ca6f42175fc61baafb1a53c878f243..91afa7cb21c05f19612cac21fd2e952663acd5b0 100644
--- a/chrome/browser/ui/views/location_bar/location_bar_view.h
+++ b/chrome/browser/ui/views/location_bar/location_bar_view.h
@@ -422,6 +422,11 @@ class LocationBarView : public LocationBar,
   // after layout, so the |page_action_views_| have their bounds.
   void PaintPageActionBackgrounds(gfx::Canvas* canvas);
 
+  // Handles a request to change the value of this text field from software
+  // using an accessibility API (typically automation software, screen readers
+  // don't normally use this). Sets the value and clears the selection.
+  void AccessibilitySetValue(const string16& new_value);
+
   // The Browser this LocationBarView is in.  Note that at least
   // chromeos::SimpleWebViewDialog uses a LocationBarView outside any browser
   // window, so this may be NULL.