Remove the GoogleURLTracker infobar functionality entirely.

chrome/browser/google/google_url_tracker_navigation_helper_impl.h

-// Copyright (c) 2012 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.
-
-#ifndef CHROME_BROWSER_GOOGLE_GOOGLE_URL_TRACKER_NAVIGATION_HELPER_IMPL_H_
-#define CHROME_BROWSER_GOOGLE_GOOGLE_URL_TRACKER_NAVIGATION_HELPER_IMPL_H_
-
-#include "components/google/core/browser/google_url_tracker_navigation_helper.h"
-#include "content/public/browser/notification_observer.h"
-#include "content/public/browser/notification_registrar.h"
-#include "url/gurl.h"
-
-namespace content {
-class WebContents;
-}
-
-class GoogleURLTrackerNavigationHelperImpl
-    : public GoogleURLTrackerNavigationHelper,
-      public content::NotificationObserver {
- public:
-  GoogleURLTrackerNavigationHelperImpl(content::WebContents* web_contents,
-                                       GoogleURLTracker* tracker);
-  ~GoogleURLTrackerNavigationHelperImpl() override;
-
-  // GoogleURLTrackerNavigationHelper:
-  void SetListeningForNavigationCommit(bool listen) override;
-  bool IsListeningForNavigationCommit() override;
-  void SetListeningForTabDestruction(bool listen) override;
-  bool IsListeningForTabDestruction() override;
-  void OpenURL(GURL url,
-               WindowOpenDisposition disposition,
-               bool user_clicked_on_link) override;
-
- private:
-  // content::NotificationObserver:
-  void Observe(int type,
-               const content::NotificationSource& source,
-               const content::NotificationDetails& details) override;
-
-  content::WebContents* web_contents_;
-  content::NotificationRegistrar registrar_;
-
-  DISALLOW_COPY_AND_ASSIGN(GoogleURLTrackerNavigationHelperImpl);
-};
-
-#endif  // CHROME_BROWSER_GOOGLE_GOOGLE_URL_TRACKER_NAVIGATION_HELPER_IMPL_H_