Implement learn more bubble on views.

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 53 matching lines @@
       base::SysUTF16ToNSString(delegate_->SaveLocallyText())];
   [self updateSaveInChrome];
   [saveInChromeCheckbox_ sizeToFit];
   [[self view] addSubview:saveInChromeCheckbox_];
 
   saveInChromeTooltip_.reset([[NSImageView alloc] initWithFrame:NSZeroRect]);
   [saveInChromeTooltip_ setImage:
       ui::ResourceBundle::GetSharedInstance().GetNativeImageNamed(
           IDR_AUTOFILL_TOOLTIP_ICON).ToNSImage()];
   [saveInChromeTooltip_ setToolTip:
-      base::SysUTF16ToNSString(delegate_->SaveLocallyTooltip())];
+      base::SysUTF16ToNSString(delegate_->SaveLocallyLearnMoreText())];
   [saveInChromeTooltip_ setFrameSize:[[saveInChromeTooltip_ image] size]];
   [[self view] addSubview:saveInChromeTooltip_];
 
   detailsContainer_.reset(
       [[AutofillDetailsContainer alloc] initWithDelegate:delegate_]);
   NSSize frameSize = [[detailsContainer_ view] frame].size;
   [[detailsContainer_ view] setFrameOrigin:
       NSMakePoint(0, NSHeight([buttonContainer_ frame]))];
   frameSize.height += NSHeight([buttonContainer_ frame]);
   [[self view] setFrameSize:frameSize];
@@ skipping 259 matching lines @@
 
 - (NSImageView*)buttonStripImageForTesting {
   return buttonStripImage_.get();
 }
 
 - (NSImageView*)saveInChromeTooltipForTesting {
   return saveInChromeTooltip_.get();
 }
 
 @end