Send Click events to frames as well as content.

content/events/src/nsEventStateManager.cpp

@@ -412,6 +412,10 @@ nsEventStateManager::CheckForAndDispatchClick(nsIPresContext& aPresContext,
       ret = mouseContent->HandleDOMEvent(aPresContext, &event, nsnull, NS_EVENT_FLAG_INIT, aStatus); 
       NS_RELEASE(mouseContent);
     }
+
+    if (nsnull != mCurrentTarget) {
+      ret = mCurrentTarget->HandleEvent(aPresContext, &event, aStatus);
+    }
   }
   return ret;
 }

layout/events/src/nsEventStateManager.cpp

@@ -412,6 +412,10 @@ nsEventStateManager::CheckForAndDispatchClick(nsIPresContext& aPresContext,
       ret = mouseContent->HandleDOMEvent(aPresContext, &event, nsnull, NS_EVENT_FLAG_INIT, aStatus); 
       NS_RELEASE(mouseContent);
     }
+
+    if (nsnull != mCurrentTarget) {
+      ret = mCurrentTarget->HandleEvent(aPresContext, &event, aStatus);
+    }
   }
   return ret;
 }

layout/xul/base/src/nsToolboxFrame.cpp

@@ -662,8 +662,7 @@ nsToolboxFrame :: HandleEvent ( nsIPresContext& aPresContext,
  
   switch ( aEvent->message ) {
 
-//  case NS_MOUSE_LEFT_CLICK:
+    case NS_MOUSE_LEFT_CLICK:
-    case NS_MOUSE_LEFT_BUTTON_UP:
       OnMouseLeftClick ( aEvent->point );
       break;