Pass BrowserContext to drive::MountPointProviderDelegate.

chrome/browser/chrome_content_browser_client.h

 // Copyright (c) 2012 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_CHROME_CONTENT_BROWSER_CLIENT_H_
 #define CHROME_BROWSER_CHROME_CONTENT_BROWSER_CLIENT_H_
 
 #include <set>
 #include <string>
 #include <utility>
@@ skipping 225 matching lines @@
       content::BrowserContext* browser_context,
       const GURL& url,
       bool private_api,
       const content::SocketPermissionRequest& params) OVERRIDE;
   virtual base::FilePath GetHyphenDictionaryDirectory() OVERRIDE;
   virtual ui::SelectFilePolicy* CreateSelectFilePolicy(
       content::WebContents* web_contents) OVERRIDE;
   virtual void GetAdditionalAllowedSchemesForFileSystem(
       std::vector<std::string>* additional_schemes) OVERRIDE;
   virtual void GetAdditionalFileSystemBackends(
+      content::BrowserContext* browser_context,
       const base::FilePath& storage_partition_path,
-      quota::SpecialStoragePolicy* special_storage_policy,
-      fileapi::ExternalMountPoints* external_mount_points,
       ScopedVector<fileapi::FileSystemBackend>* additional_backends) OVERRIDE;
 
 #if defined(OS_POSIX) && !defined(OS_MACOSX)
   virtual void GetAdditionalMappedFilesForChildProcess(
       const CommandLine& command_line,
       int child_process_id,
       std::vector<content::FileDescriptorInfo>* mappings) OVERRIDE;
 #endif
 #if defined(OS_WIN)
   virtual const wchar_t* GetResourceDllName() OVERRIDE;
@@ skipping 13 matching lines @@
 #endif
   scoped_ptr<extensions::BrowserPermissionsPolicyDelegate>
       permissions_policy_delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeContentBrowserClient);
 };
 
 }  // namespace chrome
 
 #endif  // CHROME_BROWSER_CHROME_CONTENT_BROWSER_CLIENT_H_