[rAc] [OSX] Set tooltip bubble arrow's anchor point based on the icon location.

chrome/browser/ui/cocoa/autofill/autofill_main_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_main_container.h"
 
 #include <algorithm>
 #include <cmath>
 
 #include "base/mac/foundation_util.h"
@@ skipping 65 matching lines @@
 
   // Set up "Save in Chrome" checkbox.
   saveInChromeCheckbox_.reset([[NSButton alloc] initWithFrame:NSZeroRect]);
   [saveInChromeCheckbox_ setButtonType:NSSwitchButton];
   [saveInChromeCheckbox_ setTitle:
       base::SysUTF16ToNSString(delegate_->SaveLocallyText())];
   [saveInChromeCheckbox_ sizeToFit];
   [[self view] addSubview:saveInChromeCheckbox_];
 
   saveInChromeTooltip_.reset(
-      [[AutofillTooltipController alloc] init]);
+      [[AutofillTooltipController alloc]
+            initWithArrowLocation:info_bubble::kTopCenter]);
   [saveInChromeTooltip_ setImage:
       ui::ResourceBundle::GetSharedInstance().GetNativeImageNamed(
           IDR_AUTOFILL_TOOLTIP_ICON).ToNSImage()];
   [saveInChromeTooltip_ setMessage:
       base::SysUTF16ToNSString(delegate_->SaveLocallyTooltip())];
   [[self view] addSubview:[saveInChromeTooltip_ view]];
   [self updateSaveInChrome];
 
   detailsContainer_.reset(
       [[AutofillDetailsContainer alloc] initWithDelegate:delegate_]);
@@ skipping 312 matching lines @@
 
 - (NSImageView*)buttonStripImageForTesting {
   return buttonStripImage_.get();
 }
 
 - (NSButton*)saveInChromeTooltipForTesting {
   return base::mac::ObjCCast<NSButton>([saveInChromeTooltip_ view]);
 }
 
 @end