Stop compiling password infobar code on Mac.

chrome/browser/ui/cocoa/infobars/save_password_infobar_controller.mm

-// Copyright 2015 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.
-
-#include <utility>
-
-#include "chrome/browser/password_manager/save_password_infobar_delegate.h"
-#include "chrome/browser/ui/chrome_style.h"
-#include "chrome/browser/ui/cocoa/infobars/confirm_infobar_controller.h"
-#include "chrome/browser/ui/cocoa/infobars/infobar_cocoa.h"
-#include "components/infobars/core/infobar.h"
-#include "skia/ext/skia_utils_mac.h"
-#include "ui/base/cocoa/controls/hyperlink_text_view.h"
-
-@interface SavePasswordInfobarController : ConfirmInfoBarController
-@end
-
-@implementation SavePasswordInfobarController
-
-- (void)addAdditionalControls {
-  [super addAdditionalControls];
-  // Set the link inside the message.
-  SavePasswordInfoBarDelegate* delegate =
-      static_cast<SavePasswordInfoBarDelegate*>([self delegate]);
-  gfx::Range linkRange = delegate->message_link_range();
-  if (!linkRange.is_empty()) {
-    NSColor* linkColor =
-        skia::SkColorToCalibratedNSColor(chrome_style::GetLinkColor());
-    HyperlinkTextView* view = (HyperlinkTextView*)label_.get();
-    [view addLinkRange:linkRange.ToNSRange() withURL:nil linkColor:linkColor];
-  }
-}
-
-std::unique_ptr<infobars::InfoBar> CreateSavePasswordInfoBar(
-    std::unique_ptr<SavePasswordInfoBarDelegate> delegate) {
-  std::unique_ptr<InfoBarCocoa> infobar(new InfoBarCocoa(std::move(delegate)));
-  base::scoped_nsobject<SavePasswordInfobarController> controller(
-      [[SavePasswordInfobarController alloc] initWithInfoBar:infobar.get()]);
-  infobar->set_controller(controller);
-  return std::move(infobar);
-}
-
-@end