Fix more incorrect usage of BrowserContext on the FILE thread.

chrome/browser/chromeos/extensions/file_browser_private_api.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_CHROMEOS_EXTENSIONS_FILE_BROWSER_PRIVATE_API_H_
 #define CHROME_BROWSER_CHROMEOS_EXTENSIONS_FILE_BROWSER_PRIVATE_API_H_
 #pragma once
 
 #include <map>
 #include <string>
@@ skipping 33 matching lines @@
 
   // AsyncExtensionFunction overrides.
   virtual bool RunImpl() OVERRIDE;
 
  private:
   class LocalFileSystemCallbackDispatcher;
 
   void RespondSuccessOnUIThread(const std::string& name,
                                 const GURL& root_path);
   void RespondFailedOnUIThread(base::PlatformFileError error_code);
-  void RequestOnFileThread(const GURL& source_url, int child_id);
+  void RequestOnFileThread(
+      scoped_refptr<fileapi::FileSystemContext> file_system_context,
+      const GURL& source_url,
+      int child_id);
 };
 
 // Implements the chrome.fileBrowserPrivate.addFileWatch method.
 class FileWatchBrowserFunctionBase : public AsyncExtensionFunction {
  protected:
   virtual ~FileWatchBrowserFunctionBase() {}
 
   virtual bool PerformFileWatchOperation(
       scoped_refptr<FileBrowserEventRouter> event_router,
       const FilePath& local_path, const FilePath& virtual_path,
       const std::string& extension_id) = 0;
 
   // AsyncExtensionFunction overrides.
   virtual bool RunImpl() OVERRIDE;
 
  private:
-  bool GetLocalFilePath(const GURL& file_url, FilePath* local_path,
-                        FilePath* virtual_path);
+  bool GetLocalFilePath(
+      scoped_refptr<fileapi::FileSystemContext> file_system_context,
+      const GURL& file_url, FilePath* local_path, FilePath* virtual_path);
   void RespondOnUIThread(bool success);
   void RunFileWatchOperationOnFileThread(
+      scoped_refptr<fileapi::FileSystemContext> file_system_context,
       scoped_refptr<FileBrowserEventRouter> event_router,
       const GURL& file_url,
       const std::string& extension_id);
 };
 
 // Implements the chrome.fileBrowserPrivate.addFileWatch method.
 class AddFileWatchBrowserFunction : public FileWatchBrowserFunctionBase {
  public:
   DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserPrivate.addFileWatch");
 
@@ skipping 618 matching lines @@
   DECLARE_EXTENSION_FUNCTION_NAME(
       "fileBrowserPrivate.requestDirectoryRefresh");
 
  protected:
   virtual ~RequestDirectoryRefreshFunction() {}
 
   virtual bool RunImpl() OVERRIDE;
 };
 
 #endif  // CHROME_BROWSER_CHROMEOS_EXTENSIONS_FILE_BROWSER_PRIVATE_API_H_