[Sync] Rename SyncActive to IsSyncActive.

components/sync_driver/sync_service.h

 // 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.
 
 #ifndef COMPONENTS_SYNC_DRIVER_SYNC_SERVICE_H_
 #define COMPONENTS_SYNC_DRIVER_SYNC_SERVICE_H_
 
 #include <string>
 
 #include "base/macros.h"
@@ skipping 13 matching lines @@
     IMPLICIT,  // The user did not provide a custom passphrase for encryption.
                // We implicitly use the GAIA password in such cases.
     EXPLICIT,  // The user selected the "use custom passphrase" radio button
                // during sync setup and provided a passphrase.
   };
 
   ~SyncService() override {}
 
   // Whether sync is enabled by user or not. This does not necessarily mean
   // that sync is currently running (due to delayed startup, unrecoverable
-  // errors, or shutdown). See SyncActive below for checking whether sync
+  // errors, or shutdown). See IsSyncActive below for checking whether sync
   // is actually running.
   virtual bool HasSyncSetupCompleted() const = 0;
 
   // Returns true if sync is fully initialized and active. This implies that
   // an initial configuration has successfully completed, although there may
   // be datatype specific, auth, or other transient errors. To see which
   // datetypes are actually syncing, see GetActiveTypes() below.
-  // Note that if sync is in backup or rollback mode, SyncActive() will be
+  // Note that if sync is in backup or rollback mode, IsSyncActive() will be
   // false.
-  virtual bool SyncActive() const = 0;
+  virtual bool IsSyncActive() const = 0;
 
   // Get the set of current active data types (those chosen or configured by
   // the user which have not also encountered a runtime error).
   // Note that if the Sync engine is in the middle of a configuration, this
   // will the the empty set. Once the configuration completes the set will
   // be updated.
   virtual syncer::ModelTypeSet GetActiveDataTypes() const = 0;
 
   // Adds/removes an observer. SyncService does not take ownership of the
   // observer.
@@ skipping 106 matching lines @@
  protected:
   SyncService() {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(SyncService);
 };
 
 }  // namespace sync_driver
 
 #endif  // COMPONENTS_SYNC_DRIVER_SYNC_SERVICE_H_