Remove the GoogleURLTracker infobar functionality entirely.

components/google/core/browser/google_url_tracker.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_CORE_BROWSER_GOOGLE_URL_TRACKER_H_
 #define COMPONENTS_GOOGLE_CORE_BROWSER_GOOGLE_URL_TRACKER_H_
 
-#include <map>
-#include <string>
-#include <utility>
-
 #include "base/callback_forward.h"
 #include "base/callback_list.h"
-#include "base/gtest_prod_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "components/google/core/browser/google_url_tracker_client.h"
-#include "components/google/core/browser/google_url_tracker_map_entry.h"
 #include "components/keyed_service/core/keyed_service.h"
 #include "net/base/network_change_notifier.h"
 #include "net/url_request/url_fetcher.h"
 #include "net/url_request/url_fetcher_delegate.h"
 #include "url/gurl.h"
 
 class GoogleURLTrackerNavigationHelper;
 class PrefService;
 
 namespace infobars {
 class InfoBar;
 }
 
 // This object is responsible for checking the Google URL once per network
-// change, and if necessary prompting the user to see if they want to change to
-// using it.  The current and last prompted values are saved to prefs.
+// change.  The current values is saved to prefs.

[Ilya Sherman, 2015/01/06 00:39:58]

nit: "values is" -> "value is"

 //
 // Most consumers should only call google_url().  Consumers who need to be
 // notified when things change should register a callback that provides the
 // original and updated values via RegisterCallback().
 //
 // To protect users' privacy and reduce server load, no updates will be
 // performed (ever) unless at least one consumer registers interest by calling
 // RequestServerCheck().
 class GoogleURLTracker
     : public net::URLFetcherDelegate,
@@ skipping 25 matching lines @@
 
   // Requests that the tracker perform a server check to update the Google URL
   // as necessary.  If |force| is false, this will happen at most once per
   // network change, not sooner than five seconds after startup (checks
   // requested before that time will occur then; checks requested afterwards
   // will occur immediately, if no other checks have been made during this run).
   // If |force| is true, and the tracker has already performed any requested
   // check, it will check again.
   void RequestServerCheck(bool force);
 
-  // Notifies the tracker that the user has started a Google search.
-  // If prompting is necessary, we then listen for the subsequent pending
-  // navigation to get the appropriate NavigationHelper. When the load
-  // commits, we'll show the infobar.
-  void SearchCommitted();
-
-  // No one but GoogleURLTrackerInfoBarDelegate or test code should call these.
-  void AcceptGoogleURL(bool redo_searches);
-  void CancelGoogleURL();
-  const GURL& fetched_google_url() const { return fetched_google_url_; }
-  GoogleURLTrackerClient* client() { return client_.get(); }
-
-  // No one but GoogleURLTrackerMapEntry should call this.
-  void DeleteMapEntryForManager(
-      const infobars::InfoBarManager* infobar_manager);
-
-  // Called by the client after SearchCommitted() registers listeners,
-  // to indicate that we've received the "load now pending" notification.
-  // |nav_helper| is the GoogleURLTrackerNavigationHelper associated with this
-  // navigation; |infobar_manager| is the InfoBarManager of the associated tab;
-  // and |pending_id| is the unique ID of the newly pending NavigationEntry.
-  // If there is already a visible GoogleURLTracker infobar for this tab, this
-  // function resets its associated pending entry ID to the new ID.  Otherwise
-  // this function creates a map entry for the associated tab.
-  virtual void OnNavigationPending(
-      scoped_ptr<GoogleURLTrackerNavigationHelper> nav_helper,
-      infobars::InfoBarManager* infobar_manager,
-      int pending_id);
-
-  // Called by the navigation observer once a load we're watching commits.
-  // |infobar_manager| is the same as for OnNavigationPending();
-  // |search_url| is guaranteed to be valid.
-  virtual void OnNavigationCommitted(infobars::InfoBarManager* infobar_manager,
-                                     const GURL& search_url);
-
-  // Called by the navigation observer when a tab closes.
-  virtual void OnTabClosed(GoogleURLTrackerNavigationHelper* nav_helper);
-
   scoped_ptr<Subscription> RegisterCallback(
       const OnGoogleURLUpdatedCallback& cb);
 
  private:
   friend class GoogleURLTrackerTest;
   friend class SyncTest;
 
-  typedef std::map<const infobars::InfoBarManager*, GoogleURLTrackerMapEntry*>
-      EntryMap;
-
   static const char kSearchDomainCheckURL[];
 
   // net::URLFetcherDelegate:
   void OnURLFetchComplete(const net::URLFetcher* source) override;
 
   // NetworkChangeNotifier::IPAddressObserver:
   void OnNetworkChanged(
       net::NetworkChangeNotifier::ConnectionType type) override;
 
   // KeyedService:
   void Shutdown() override;
 
-  // Registers consumer interest in getting an updated URL from the server.
-  // Observe chrome::NOTIFICATION_GOOGLE_URL_UPDATED to be notified when the URL
-  // changes.
+  // Sets |need_to_fetch_| and attempts to start a fetch.
   void SetNeedToFetch();
 
   // Called when the five second startup sleep has finished.  Runs any pending
   // fetch.
   void FinishSleep();
 
   // Starts the fetch of the up-to-date Google URL if we actually want to fetch
   // it and can currently do so.
   void StartFetchIfDesirable();
 
-  // Closes all map entries.  If |redo_searches| is true, this also triggers
-  // each tab with an infobar to re-perform the user's search, but on the new
-  // Google TLD.
-  void CloseAllEntries(bool redo_searches);
-
-  // Unregisters any listeners for the navigation helper in |map_entry|.
-  // This sanity-DCHECKs that these are registered (or not) in the specific
-  // cases we expect.  (|must_be_listening_for_commit| is used purely for this
-  // sanity-checking.)  This also unregisters the global navigation pending
-  // listener if there are no remaining listeners for navigation commits, as we
-  // no longer need them until another search is committed.
-  void UnregisterForEntrySpecificNotifications(
-      GoogleURLTrackerMapEntry* map_entry,
-      bool must_be_listening_for_commit);
-
-  void NotifyGoogleURLUpdated();
-
   CallbackList callback_list_;
 
   scoped_ptr<GoogleURLTrackerClient> client_;
 
   GURL google_url_;
-  GURL fetched_google_url_;
   scoped_ptr<net::URLFetcher> fetcher_;
   int fetcher_id_;
   bool in_startup_sleep_;  // True if we're in the five-second "no fetching"
                            // period that begins at browser start.
   bool already_fetched_;   // True if we've already fetched a URL once this run;
                            // we won't fetch again until after a restart.
   bool need_to_fetch_;     // True if a consumer actually wants us to fetch an
                            // updated URL.  If this is never set, we won't
                            // bother to fetch anything.
                            // Consumers should register a callback via
                            // RegisterCallback().
-  bool need_to_prompt_;    // True if the last fetched Google URL is not
-                           // matched with current user's default Google URL
-                           // nor the last prompted Google URL.
-  bool search_committed_;  // True when we're expecting a notification of a new
-                           // pending search navigation.
-  EntryMap entry_map_;
   base::WeakPtrFactory<GoogleURLTracker> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(GoogleURLTracker);
 };
 
 #endif  // COMPONENTS_GOOGLE_CORE_BROWSER_GOOGLE_URL_TRACKER_H_