Disable blurring for extension bubbles

chrome/browser/ui/cocoa/info_bubble_window.h

Index: chrome/browser/ui/cocoa/info_bubble_window.h
diff --git a/chrome/browser/ui/cocoa/info_bubble_window.h b/chrome/browser/ui/cocoa/info_bubble_window.h
index 961d660e106342c80ffb8745ff27a808bda2f7a7..639cba68b9271085dcf1216ebe2295e7d2fd986a 100644
--- a/chrome/browser/ui/cocoa/info_bubble_window.h
+++ b/chrome/browser/ui/cocoa/info_bubble_window.h
@@ -21,12 +21,17 @@ class AppNotificationBridge;
   // If NO the window will never become key.
   // Default YES.
   BOOL canBecomeKeyWindow_;
+  // If YES then things under the window will look blurred.
+  // Default YES.
+  BOOL hasBlurredBackground_;
   // Bridge to proxy Chrome notifications to the window.
   scoped_ptr<AppNotificationBridge> notificationBridge_;
 }
 
 @property(nonatomic) BOOL delayOnClose;
 @property(nonatomic) BOOL canBecomeKeyWindow;
+// Only has an effect if called before the bubble is shown.
+@property(nonatomic) BOOL hasBlurredBackground;
 
 // Returns YES if the window is in the process of closing.
 // Can't use "windowWillClose" notification because that will be sent