[fsp] Add support for reading directories.

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

Index: chrome/browser/chromeos/extensions/file_system_provider/file_system_provider_api.h
diff --git a/chrome/browser/chromeos/extensions/file_system_provider/file_system_provider_api.h b/chrome/browser/chromeos/extensions/file_system_provider/file_system_provider_api.h
index 728513c3ae0f29e25ebf192c2d117f7ca02be777..503865bbe26a73253cdc2932d4b598785b116e49 100644
--- a/chrome/browser/chromeos/extensions/file_system_provider/file_system_provider_api.h
+++ b/chrome/browser/chromeos/extensions/file_system_provider/file_system_provider_api.h
@@ -78,6 +78,30 @@ class FileSystemProviderInternalGetMetadataRequestedErrorFunction
   virtual bool RunSync() OVERRIDE;
 };
 
+class FileSystemProviderInternalReadDirectoryRequestedSuccessFunction
+    : public FileSystemProviderInternalFunction {
+ public:
+  DECLARE_EXTENSION_FUNCTION(
+      "fileSystemProviderInternal.readDirectoryRequestedSuccess",
+      FILESYSTEMPROVIDERINTERNAL_READDIRECTORYREQUESTEDSUCCESS)
+
+ protected:
+  virtual ~FileSystemProviderInternalReadDirectoryRequestedSuccessFunction() {}
+  virtual bool RunSync() OVERRIDE;
+};
+
+class FileSystemProviderInternalReadDirectoryRequestedErrorFunction
+    : public FileSystemProviderInternalFunction {
+ public:
+  DECLARE_EXTENSION_FUNCTION(
+      "fileSystemProviderInternal.readDirectoryRequestedError",
+      FILESYSTEMPROVIDERINTERNAL_READDIRECTORYREQUESTEDERROR)
+
+ protected:
+  virtual ~FileSystemProviderInternalReadDirectoryRequestedErrorFunction() {}
+  virtual bool RunSync() OVERRIDE;
+};
+
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_CHROMEOS_EXTENSIONS_FILE_SYSTEM_PROVIDER_FILE_SYSTEM_PROVIDER_API_H_