[fsp] Decouple file_service_provider::Service.

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

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_CHROMEOS_EXTENSIONS_FILE_SYSTEM_PROVIDER_FILE_SYSTEM_PROVIDER_API_H_
 #define CHROME_BROWSER_CHROMEOS_EXTENSIONS_FILE_SYSTEM_PROVIDER_FILE_SYSTEM_PROVIDER_API_H_
 
 #include "chrome/browser/extensions/chrome_extension_function.h"
 #include "chrome/common/extensions/api/file_system_provider.h"
 
 namespace extensions {
 
-class FileSystemProviderMountFunction : public ChromeAsyncExtensionFunction {
+class FileSystemProviderMountFunction : public ChromeSyncExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("fileSystemProvider.mount",
                              FILESYSTEMPROVIDER_MOUNT)
 
  protected:
   virtual ~FileSystemProviderMountFunction() {}
   virtual bool RunImpl() OVERRIDE;
 };
 
-class FileSystemProviderUnmountFunction : public ChromeAsyncExtensionFunction {
+class FileSystemProviderUnmountFunction : public ChromeSyncExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("fileSystemProvider.unmount",
                              FILESYSTEMPROVIDER_UNMOUNT)
 
  protected:
   virtual ~FileSystemProviderUnmountFunction() {}
   virtual bool RunImpl() OVERRIDE;
 };
 
 class FileSystemProviderInternalUnmountRequestedSuccessFunction
-    : public ChromeAsyncExtensionFunction {
+    : public ChromeSyncExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION(
       "fileSystemProviderInternal.unmountRequestedSuccess",
       FILESYSTEMPROVIDERINTERNAL_UNMOUNTREQUESTEDSUCCESS)
 
  protected:
   virtual ~FileSystemProviderInternalUnmountRequestedSuccessFunction() {}
   virtual bool RunImpl() OVERRIDE;
 };
 
 class FileSystemProviderInternalUnmountRequestedErrorFunction
-    : public ChromeAsyncExtensionFunction {
+    : public ChromeSyncExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("fileSystemProviderInternal.unmountRequestedError",
                              FILESYSTEMPROVIDERINTERNAL_UNMOUNTREQUESTEDERROR)
 
  protected:
   virtual ~FileSystemProviderInternalUnmountRequestedErrorFunction() {}
   virtual bool RunImpl() OVERRIDE;
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_CHROMEOS_EXTENSIONS_FILE_SYSTEM_PROVIDER_FILE_SYSTEM_PROVIDER_API_H_