Add mechanism to auto mount file systems in response to a URL request.

content/public/browser/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 CONTENT_PUBLIC_BROWSER_CONTENT_BROWSER_CLIENT_H_
 #define CONTENT_PUBLIC_BROWSER_CONTENT_BROWSER_CLIENT_H_
 
 #include <map>
 #include <string>
 #include <utility>
 #include <vector>
 
 #include "base/callback_forward.h"
 #include "base/memory/linked_ptr.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
 #include "base/values.h"
 #include "content/public/browser/certificate_request_result_type.h"
 #include "content/public/browser/file_descriptor_info.h"
 #include "content/public/common/content_client.h"
 #include "content/public/common/socket_permission_request.h"
 #include "content/public/common/window_container_type.h"
 #include "net/base/mime_util.h"
 #include "net/cookies/canonical_cookie.h"
 #include "net/url_request/url_request_job_factory.h"
 #include "third_party/WebKit/public/web/WebNotificationPresenter.h"
 #include "ui/base/window_open_disposition.h"
+#include "webkit/browser/fileapi/file_system_context.h"
 #include "webkit/common/resource_type.h"
 
 #if defined(OS_POSIX) && !defined(OS_MACOSX)
 #include "base/posix/global_descriptors.h"
 #endif
 
 class CommandLine;
 class GURL;
 struct WebPreferences;
 
@@ skipping 529 matching lines @@
 
   // Returns an implementation of a file selecition policy. Can return NULL.
   virtual ui::SelectFilePolicy* CreateSelectFilePolicy(
       WebContents* web_contents);
 
   // Returns additional allowed scheme set which can access files in
   // FileSystem API.
   virtual void GetAdditionalAllowedSchemesForFileSystem(
       std::vector<std::string>* additional_schemes) {}
 
+  // Returns auto mount handlers for URL requests for FileSystem APIs.
+  virtual void GetURLRequestAutoMountHandlers(
+      std::vector<fileapi::URLRequestAutoMountHandler>* handlers) {}
+
   // Returns additional file system backends for FileSystem API.
   // |browser_context| is needed in the additional FileSystemBackends.
   // It has mount points to create objects returned by additional
   // FileSystemBackends, and SpecialStoragePolicy for permission granting.
   virtual void GetAdditionalFileSystemBackends(
       BrowserContext* browser_context,
       const base::FilePath& storage_partition_path,
       ScopedVector<fileapi::FileSystemBackend>* additional_backends) {}
 
   // Allows an embedder to return its own LocationProvider implementation.
@@ skipping 36 matching lines @@
       content::BrowserContext* browser_context,
       const GURL& url);
 
   // Returns true if dev channel APIs are available for plugins.
   virtual bool IsPluginAllowedToUseDevChannelAPIs();
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_CONTENT_BROWSER_CLIENT_H_