[Sync] Fix namespace for sync_driver component

chrome/browser/sync/glue/sync_backend_registrar.cc

Index: chrome/browser/sync/glue/sync_backend_registrar.cc
diff --git a/chrome/browser/sync/glue/sync_backend_registrar.cc b/chrome/browser/sync/glue/sync_backend_registrar.cc
index 4e26ff051bb1ee83c2fba3d3c7102f1dfe5c292e..2926e158e9849622e4596a46e897bb7530fe4431 100644
--- a/chrome/browser/sync/glue/sync_backend_registrar.cc
+++ b/chrome/browser/sync/glue/sync_backend_registrar.cc
@@ -202,7 +202,7 @@ void SyncBackendRegistrar::RequestWorkerStopOnUIThread() {
 void SyncBackendRegistrar::ActivateDataType(
     syncer::ModelType type,
     syncer::ModelSafeGroup group,
-    ChangeProcessor* change_processor,
+    sync_driver::ChangeProcessor* change_processor,
     syncer::UserShare* user_share) {
   DVLOG(1) << "Activate: " << syncer::ModelTypeToString(type);
 
@@ -244,7 +244,7 @@ void SyncBackendRegistrar::OnChangesApplied(
     int64 model_version,
     const syncer::BaseTransaction* trans,
     const syncer::ImmutableChangeRecordList& changes) {
-  ChangeProcessor* processor = GetProcessor(model_type);
+  sync_driver::ChangeProcessor* processor = GetProcessor(model_type);
   if (!processor)
     return;
 
@@ -252,7 +252,7 @@ void SyncBackendRegistrar::OnChangesApplied(
 }
 
 void SyncBackendRegistrar::OnChangesComplete(syncer::ModelType model_type) {
-  ChangeProcessor* processor = GetProcessor(model_type);
+  sync_driver::ChangeProcessor* processor = GetProcessor(model_type);
   if (!processor)
     return;
 
@@ -279,10 +279,10 @@ void SyncBackendRegistrar::GetModelSafeRoutingInfo(
   out->swap(copy);
 }
 
-ChangeProcessor* SyncBackendRegistrar::GetProcessor(
+sync_driver::ChangeProcessor* SyncBackendRegistrar::GetProcessor(
     syncer::ModelType type) const {
   base::AutoLock lock(lock_);
-  ChangeProcessor* processor = GetProcessorUnsafe(type);
+  sync_driver::ChangeProcessor* processor = GetProcessorUnsafe(type);
   if (!processor)
     return NULL;
 
@@ -292,10 +292,10 @@ ChangeProcessor* SyncBackendRegistrar::GetProcessor(
   return processor;
 }
 
-ChangeProcessor* SyncBackendRegistrar::GetProcessorUnsafe(
+sync_driver::ChangeProcessor* SyncBackendRegistrar::GetProcessorUnsafe(
     syncer::ModelType type) const {
   lock_.AssertAcquired();
-  std::map<syncer::ModelType, ChangeProcessor*>::const_iterator
+  std::map<syncer::ModelType, sync_driver::ChangeProcessor*>::const_iterator
       it = processors_.find(type);
 
   // Until model association happens for a datatype, it will not