Add chrome.fileManagerPrivate.getProvidingExtensions().

chrome/browser/chromeos/file_system_provider/service.h

 // Copyright 2014 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_FILE_SYSTEM_PROVIDER_SERVICE_H_
 #define CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_SERVICE_H_
 
 #include <map>
 #include <string>
 #include <utility>
@@ skipping 32 matching lines @@
 class ProvidedFileSystemFactoryInterface;
 class ProvidedFileSystemInfo;
 class ProvidedFileSystemInterface;
 class RegistryInterface;
 class ServiceFactory;
 struct MountOptions;
 
 // Registers preferences to remember registered file systems between reboots.
 void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry);
 
+// Holds information for a providing extension.
+struct ProvidingExtensionInfo {
+  ProvidingExtensionInfo();
+  ~ProvidingExtensionInfo();
+
+  std::string extension_id;
+  std::string name;
+  bool can_configure;
+  bool can_add;
+};
+
 // Manages and registers the file system provider service. Maintains provided
 // file systems.
 class Service : public KeyedService,
                 public extensions::ExtensionRegistryObserver,
                 public ProvidedFileSystemObserver {
  public:
   typedef base::Callback<ProvidedFileSystemInterface*(
       Profile* profile,
       const ProvidedFileSystemInfo& file_system_info)>
       FileSystemFactoryCallback;
@@ skipping 48 matching lines @@
   // the extension with |extension_id|. If not found, then returns NULL.
   ProvidedFileSystemInterface* GetProvidedFileSystem(
       const std::string& extension_id,
       const std::string& file_system_id);
 
   // Returns a provided file system attached to the the passed
   // |mount_point_name|. If not found, then returns NULL.
   ProvidedFileSystemInterface* GetProvidedFileSystem(
       const std::string& mount_point_name);
 
+  // Returns a list of information of all currently installed providing
+  // extensions.
+  std::vector<ProvidingExtensionInfo> GetProvidingExtensionInfoList() const;
+
   // Adds and removes observers.
   void AddObserver(Observer* observer);
   void RemoveObserver(Observer* observer);
 
   // Gets the singleton instance for the |context|.
   static Service* Get(content::BrowserContext* context);
 
   // extensions::ExtensionRegistryObserver overrides.
   void OnExtensionUnloaded(
       content::BrowserContext* browser_context,
@@ skipping 59 matching lines @@
   base::ThreadChecker thread_checker_;
 
   base::WeakPtrFactory<Service> weak_ptr_factory_;
   DISALLOW_COPY_AND_ASSIGN(Service);
 };
 
 }  // namespace file_system_provider
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_SERVICE_H_