[rAC, OSX] Always close error bubble on focus loss

chrome/browser/ui/cocoa/autofill/autofill_details_container.mm

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #import "chrome/browser/ui/cocoa/autofill/autofill_details_container.h"
 
 #include <algorithm>
 
 #include "base/mac/foundation_util.h"
 #include "chrome/browser/ui/autofill/autofill_dialog_view_delegate.h"
@@ skipping 189 matching lines @@
     [[errorBubbleController_ bubble] setAlignment:
         info_bubble::kAlignLeftEdgeToAnchorEdge];
   }
   [errorBubbleController_ setAnchorPoint:
       [parentWindow convertBaseToScreen:anchorPoint]];
 
   [errorBubbleController_ showWindow:self];
 }
 
 - (void)hideErrorBubble {
-  [errorBubble_ setHidden:YES];
+  [errorBubbleController_ close];
 }
 
 - (void)updateMessageForField:(NSControl<AutofillInputField>*)field {
   // Ignore fields that are not first responder. Testing this is a bit
   // convoluted, since for NSTextFields with firstResponder status, the
   // firstResponder is a subview of the NSTextField, not the field itself.
   NSView* firstResponderView =
       base::mac::ObjCCast<NSView>([[field window] firstResponder]);
   if (![firstResponderView isDescendantOf:field])
     return;
@@ skipping 42 matching lines @@
     }
 
     selectedField = field;
     selectedFieldOrigin = fieldOrigin;
   }
 
   return selectedField;
 }
 
 @end