Add AttachmentUploader interface and fake implementation.

chrome/browser/sync/glue/shared_change_processor.cc

Index: chrome/browser/sync/glue/shared_change_processor.cc
diff --git a/chrome/browser/sync/glue/shared_change_processor.cc b/chrome/browser/sync/glue/shared_change_processor.cc
index 095e50e93dfb105c39e465d8dc9af86aa7d3c0c6..b89635f4f203085af70a5284ee274aad07866d0c 100644
--- a/chrome/browser/sync/glue/shared_change_processor.cc
+++ b/chrome/browser/sync/glue/shared_change_processor.cc
@@ -11,6 +11,7 @@
 #include "components/sync_driver/sync_api_component_factory.h"
 #include "sync/api/attachments/attachment_service.h"
 #include "sync/api/attachments/fake_attachment_service.h"
+#include "sync/api/attachments/fake_attachment_uploader.h"
 #include "sync/api/sync_change.h"
 
 using base::AutoLock;
@@ -72,11 +73,17 @@ base::WeakPtr<syncer::SyncableService> SharedChangeProcessor::Connect(
     return base::WeakPtr<syncer::SyncableService>();
   }
 
+  // TODO(maniscalco): Use a shared (one per profile) thread-safe instance of
+  // AttachmentUpload instead of creating a new one per AttachmentService (bug
+  // 369536).
+  scoped_ptr<syncer::AttachmentUploader> attachment_uploader(
+      new syncer::FakeAttachmentUploader);
   // TODO(maniscalco): Replace FakeAttachmentService with a real
   // AttachmentService implementation once implemented (bug 356359).
   scoped_ptr<syncer::AttachmentService> attachment_service(
       new syncer::FakeAttachmentService(
-          sync_factory->CreateCustomAttachmentStoreForType(type)));
+          sync_factory->CreateCustomAttachmentStoreForType(type),
+          attachment_uploader.Pass()));
 
   generic_change_processor_ = processor_factory->CreateGenericChangeProcessor(
       sync_service_->GetUserShare(),