[fsp] Decouple file_service_provider::Service.

chrome/browser/chromeos/extensions/file_system_provider/file_system_provider_api.cc

Index: chrome/browser/chromeos/extensions/file_system_provider/file_system_provider_api.cc
diff --git a/chrome/browser/chromeos/extensions/file_system_provider/file_system_provider_api.cc b/chrome/browser/chromeos/extensions/file_system_provider/file_system_provider_api.cc
index 93df5ed470b73b627430642f9a04378c13ebd4c3..4b2be500ba32c5571e7673f6b15b5528ec46b759 100644
--- a/chrome/browser/chromeos/extensions/file_system_provider/file_system_provider_api.cc
+++ b/chrome/browser/chromeos/extensions/file_system_provider/file_system_provider_api.cc
@@ -155,11 +155,12 @@ bool FileSystemProviderInternalUnmountRequestedSuccessFunction::RunImpl() {
       chromeos::file_system_provider::Service::Get(GetProfile());
   DCHECK(service);
 
-  if (!service->FulfillRequest(extension_id(),
-                               params->file_system_id,
-                               params->request_id,
-                               scoped_ptr<base::DictionaryValue>(),
-                               false /* has_more */)) {
+  if (!service->request_manager()->FulfillRequest(
+          extension_id(),
+          params->file_system_id,
+          params->request_id,
+          scoped_ptr<base::DictionaryValue>(),
+          false /* has_more */)) {
     // TODO(mtomasz): Pass more detailed errors, rather than just a bool.
     base::ListValue* result = new base::ListValue();
     result->Append(
@@ -191,10 +192,11 @@ bool FileSystemProviderInternalUnmountRequestedErrorFunction::RunImpl() {
   const api::file_system_provider::ProviderError provider_error =
       api::file_system_provider::ParseProviderError(params->error);
 
-  if (!service->RejectRequest(extension_id(),
-                              params->file_system_id,
-                              params->request_id,
-                              ProviderErrorToFileError(provider_error))) {
+  if (!service->request_manager()->RejectRequest(
+          extension_id(),
+          params->file_system_id,
+          params->request_id,
+          ProviderErrorToFileError(provider_error))) {
     // TODO(mtomasz): Pass more detailed errors, rather than just a bool.
     base::ListValue* result = new base::ListValue();
     result->Append(