Remove the GoogleURLTracker infobar functionality entirely.

components/google/core/browser/google_url_tracker_client.h

 // Copyright 2014 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 COMPONENTS_GOOGLE_GOOGLE_URL_TRACKER_CLIENT_H_
 #define COMPONENTS_GOOGLE_GOOGLE_URL_TRACKER_CLIENT_H_
 
 #include "base/macros.h"
 #include "url/gurl.h"
 
 class GoogleURLTracker;
 class PrefService;
 
 namespace net {
 class URLRequestContextGetter;
 }
 
 // Interface by which GoogleURLTracker communicates with its embedder.
 class GoogleURLTrackerClient {
  public:
   GoogleURLTrackerClient();
   virtual ~GoogleURLTrackerClient();
 
   // Sets the GoogleURLTracker that is associated with this client.
   void set_google_url_tracker(GoogleURLTracker* google_url_tracker) {
     google_url_tracker_ = google_url_tracker;
   }
 
-  // Enables or disables listening for navigation starts. OnNavigationPending
-  // will be called for each navigation start if listening is enabled.
-  virtual void SetListeningForNavigationStart(bool listen) = 0;
-
-  // Returns whether or not the client is currently listening for navigation
-  // starts.
-  virtual bool IsListeningForNavigationStart() = 0;
-
   // Returns whether background networking is enabled.
   virtual bool IsBackgroundNetworkingEnabled() = 0;
 
   // Returns the PrefService that the GoogleURLTracker should use.
   virtual PrefService* GetPrefs() = 0;
 
   // Returns the URL request context information that the GoogleURLTracker
   // should use.
   virtual net::URLRequestContextGetter* GetRequestContext() = 0;
 
  protected:
   GoogleURLTracker* google_url_tracker() { return google_url_tracker_; }
 
  private:
   GoogleURLTracker* google_url_tracker_;
 
   DISALLOW_COPY_AND_ASSIGN(GoogleURLTrackerClient);
 };
 
 #endif  // COMPONENTS_GOOGLE_GOOGLE_URL_TRACKER_CLIENT_H_