[Sync] Refactor non-frontend DTC to handle new API properly.

chrome/browser/webdata/autofill_profile_syncable_service.h

Index: chrome/browser/webdata/autofill_profile_syncable_service.h
diff --git a/chrome/browser/webdata/autofill_profile_syncable_service.h b/chrome/browser/webdata/autofill_profile_syncable_service.h
index 77ef314bbc5ee5bf1191940d2a95623b838f4244..044a63275f2e54562cce6edc6d67567dabd44200 100644
--- a/chrome/browser/webdata/autofill_profile_syncable_service.h
+++ b/chrome/browser/webdata/autofill_profile_syncable_service.h
@@ -11,6 +11,7 @@
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_vector.h"
+#include "base/memory/weak_ptr.h"
 #include "base/synchronization/lock.h"
 #include "base/threading/non_thread_safe.h"
 #include "chrome/browser/sync/api/sync_change.h"
@@ -41,6 +42,7 @@ class UnrecoverableErrorHandler;
 // ProcessSyncChanges() and for each local change Observe() is called.
 class AutofillProfileSyncableService
     : public SyncableService,
+      public base::SupportsWeakPtr<AutofillProfileSyncableService>,
       public NotificationObserver,
       public base::NonThreadSafe {
  public:
@@ -130,7 +132,7 @@ class AutofillProfileSyncableService
   // For unit-tests.
   AutofillProfileSyncableService();
   void set_sync_processor(SyncChangeProcessor* sync_processor) {
-    sync_processor_ = sync_processor;
+    sync_processor_.reset(sync_processor);
   }
 
   WebDataService* web_data_service_;  // WEAK
@@ -141,7 +143,7 @@ class AutofillProfileSyncableService
   ScopedVector<AutofillProfile> profiles_;
   GUIDToProfileMap profiles_map_;
 
-  SyncChangeProcessor* sync_processor_;
+  scoped_ptr<SyncChangeProcessor> sync_processor_;
 
   DISALLOW_COPY_AND_ASSIGN(AutofillProfileSyncableService);
 };