[Sync] Rename SyncActive to IsSyncActive.

components/sync_driver/sync_service.h

Index: components/sync_driver/sync_service.h
diff --git a/components/sync_driver/sync_service.h b/components/sync_driver/sync_service.h
index 3a810fa53ab980036dc4b30a5287563d5a3cc610..afe1e2928df068c32701679ce9a70a8fc5cedc02 100644
--- a/components/sync_driver/sync_service.h
+++ b/components/sync_driver/sync_service.h
@@ -31,7 +31,7 @@ class SyncService : public sync_driver::DataTypeEncryptionHandler {
 
   // 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;
 
@@ -39,9 +39,9 @@ class SyncService : public sync_driver::DataTypeEncryptionHandler {
   // 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).