[Mac] Reposition the status bubble whenever adding it to a window....

chrome/browser/cocoa/status_bubble_mac.mm

Index: chrome/browser/cocoa/status_bubble_mac.mm
===================================================================
--- chrome/browser/cocoa/status_bubble_mac.mm	(revision 54099)
+++ chrome/browser/cocoa/status_bubble_mac.mm	(working copy)
@@ -347,8 +347,10 @@
 void StatusBubbleMac::Attach() {
   // This method may be called several times during the process of creating or
   // showing a status bubble to attach the bubble to its parent window.
-  if (!is_attached())
+  if (!is_attached()) {
     [parent_ addChildWindow:window_ ordered:NSWindowAbove];
+    UpdateSizeAndPosition();
+  }
 }
 
 void StatusBubbleMac::Detach() {