sync: Remove ClearUserData command.

sync/engine/sync_scheduler.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.
 //
 // A class to schedule syncer tasks intelligently.
 #ifndef SYNC_ENGINE_SYNC_SCHEDULER_H_
 #define SYNC_ENGINE_SYNC_SCHEDULER_H_
 #pragma once
 
 #include <string>
@@ skipping 76 matching lines @@
       const tracked_objects::Location& nudge_location);
 
   // Schedule a configuration cycle. May execute immediately or at a later time
   // (depending on backoff/throttle state).
   // Note: The source argument of this function must come from the subset of
   // GetUpdatesCallerInfo values related to configurations.
   void ScheduleConfiguration(
       syncable::ModelTypeSet types,
       sync_pb::GetUpdatesCallerInfo::GetUpdatesSource source);
 
-  // TODO(tim): remove this. crbug.com/131336
-  void ClearUserData();
-
   void CleanupDisabledTypes();
 
   // Change status of notifications in the SyncSessionContext.
   void set_notifications_enabled(bool notifications_enabled);
 
   base::TimeDelta sessions_commit_delay() const;
 
   // DDOS avoidance function.  Calculates how long we should wait before trying
   // again after a failed sync attempt, where the last delay was |base_delay|.
   // TODO(tim): Look at URLRequestThrottlerEntryInterface.
@@ skipping 33 matching lines @@
     // An enum used to describe jobs for scheduling purposes.
     enum SyncSessionJobPurpose {
       // Uninitialized state, should never be hit in practice.
       UNKNOWN = -1,
       // Our poll timer schedules POLL jobs periodically based on a server
       // assigned poll interval.
       POLL,
       // A nudge task can come from a variety of components needing to force
       // a sync.  The source is inferable from |session.source()|.
       NUDGE,
-      // The user invoked a function in the UI to clear their entire account
-      // and stop syncing (globally).
-      CLEAR_USER_DATA,
       // Typically used for fetching updates for a subset of the enabled types
       // during initial sync or reconfiguration.  We don't run all steps of
       // the sync cycle for these (e.g. CleanupDisabledTypes is skipped).
       CONFIGURATION,
       // The user disabled some types and we have to clean up the data
       // for those.
       CLEANUP_DISABLED_TYPES,
     };
     SyncSessionJob();
     SyncSessionJob(SyncSessionJobPurpose purpose, base::TimeTicks start,
@@ skipping 23 matching lines @@
                            SaveNudgeWhileTypeThrottled);
   FRIEND_TEST_ALL_PREFIXES(SyncSchedulerWhiteboxTest, ContinueNudge);
   FRIEND_TEST_ALL_PREFIXES(SyncSchedulerWhiteboxTest, DropPoll);
   FRIEND_TEST_ALL_PREFIXES(SyncSchedulerWhiteboxTest, ContinuePoll);
   FRIEND_TEST_ALL_PREFIXES(SyncSchedulerWhiteboxTest, ContinueConfiguration);
   FRIEND_TEST_ALL_PREFIXES(SyncSchedulerWhiteboxTest,
                            SaveConfigurationWhileThrottled);
   FRIEND_TEST_ALL_PREFIXES(SyncSchedulerWhiteboxTest,
                            SaveNudgeWhileThrottled);
   FRIEND_TEST_ALL_PREFIXES(SyncSchedulerWhiteboxTest,
-                           ContinueClearUserDataUnderAllCircumstances);
-  FRIEND_TEST_ALL_PREFIXES(SyncSchedulerWhiteboxTest,
                            ContinueCanaryJobConfig);
   FRIEND_TEST_ALL_PREFIXES(SyncSchedulerWhiteboxTest,
       ContinueNudgeWhileExponentialBackOff);
   FRIEND_TEST_ALL_PREFIXES(SyncSchedulerTest, TransientPollFailure);
 
   // A component used to get time delays associated with exponential backoff.
   // Encapsulated into a class to facilitate testing.
   class DelayProvider {
    public:
     DelayProvider();
@@ skipping 195 matching lines @@
   scoped_ptr<Syncer> syncer_;
 
   sessions::SyncSessionContext *session_context_;
 
   DISALLOW_COPY_AND_ASSIGN(SyncScheduler);
 };
 
 }  // namespace browser_sync
 
 #endif  // SYNC_ENGINE_SYNC_SCHEDULER_H_