[fsp] Add the getMetadata operation.

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"
 
@@ skipping 35 matching lines @@
     : public ChromeSyncExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("fileSystemProviderInternal.unmountRequestedError",
                              FILESYSTEMPROVIDERINTERNAL_UNMOUNTREQUESTEDERROR)
 
  protected:
   virtual ~FileSystemProviderInternalUnmountRequestedErrorFunction() {}
   virtual bool RunSync() OVERRIDE;
 };
 
+class FileSystemProviderInternalGetMetadataRequestedSuccessFunction
+    : public ChromeSyncExtensionFunction {
+ public:
+  DECLARE_EXTENSION_FUNCTION(
+      "fileSystemProviderInternal.getMetadataRequestedSuccess",
+      FILESYSTEMPROVIDERINTERNAL_GETMETADATAREQUESTEDSUCCESS)
+
+ protected:
+  virtual ~FileSystemProviderInternalGetMetadataRequestedSuccessFunction() {}
+  virtual bool RunSync() OVERRIDE;
+};
+
+class FileSystemProviderInternalGetMetadataRequestedErrorFunction
+    : public ChromeSyncExtensionFunction {
+ public:
+  DECLARE_EXTENSION_FUNCTION(
+      "fileSystemProviderInternal.getMetadataRequestedError",
+      FILESYSTEMPROVIDERINTERNAL_GETMETADATAREQUESTEDERROR)
+
+ protected:
+  virtual ~FileSystemProviderInternalGetMetadataRequestedErrorFunction() {}
+  virtual bool RunSync() OVERRIDE;
+};
+
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_CHROMEOS_EXTENSIONS_FILE_SYSTEM_PROVIDER_FILE_SYSTEM_PROVIDER_API_H_