cocoa: allow omnibox decorations to become key

chrome/browser/ui/cocoa/location_bar/location_bar_decoration.h

Index: chrome/browser/ui/cocoa/location_bar/location_bar_decoration.h
diff --git a/chrome/browser/ui/cocoa/location_bar/location_bar_decoration.h b/chrome/browser/ui/cocoa/location_bar/location_bar_decoration.h
index f79f8dc09ac1f9461d650afc2fc8b377156025cc..f0df6785dcefc09b511c94cbc03aaa8112065370 100644
--- a/chrome/browser/ui/cocoa/location_bar/location_bar_decoration.h
+++ b/chrome/browser/ui/cocoa/location_bar/location_bar_decoration.h
@@ -148,8 +148,10 @@ class LocationBarDecoration {
   void OnAccessibilityViewAction();
 
   // Called when the omnibox decoration changes state to update the
-  // accessibility view's attributes to match.
-  void UpdateAccessibilityView();
+  // accessibility view's attributes to match. The |apparent_frame| rectangle is
+  // the frame the accessibility view should appear at visually (which may be
+  // different from its frame in the Cocoa sense).
+  void UpdateAccessibilityView(NSRect apparent_frame);
 
   DecorationMouseState state() const { return state_; }