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

content/browser/fileapi/file_system_context_unittest.cc

 // Copyright 2013 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.
 
 #include "webkit/browser/fileapi/file_system_context.h"
 
 #include "base/files/scoped_temp_dir.h"
 #include "base/message_loop/message_loop.h"
 #include "base/strings/stringprintf.h"
 #include "content/public/test/test_file_system_options.h"
@@ skipping 48 matching lines @@
         new quota::MockQuotaManager(false /* is_incognito */,
                                     data_dir_.path(),
                                     base::MessageLoopProxy::current().get(),
                                     base::MessageLoopProxy::current().get(),
                                     storage_policy_.get());
   }
 
  protected:
   FileSystemContext* CreateFileSystemContextForTest(
       fileapi::ExternalMountPoints* external_mount_points) {
-    return new FileSystemContext(base::MessageLoopProxy::current().get(),
-                                 base::MessageLoopProxy::current().get(),
-                                 external_mount_points,
-                                 storage_policy_.get(),
-                                 mock_quota_manager_->proxy(),
-                                 ScopedVector<FileSystemBackend>(),
-                                 data_dir_.path(),
-                                 CreateAllowFileAccessOptions());
+    return new FileSystemContext(
+        base::MessageLoopProxy::current().get(),
+        base::MessageLoopProxy::current().get(),
+        external_mount_points,
+        storage_policy_.get(),
+        mock_quota_manager_->proxy(),
+        ScopedVector<FileSystemBackend>(),
+        std::vector<fileapi::URLRequestAutoMountHandler>(),
+        data_dir_.path(),
+        CreateAllowFileAccessOptions());
   }
 
   // Verifies a *valid* filesystem url has expected values.
   void ExpectFileSystemURLMatches(const FileSystemURL& url,
                                   const GURL& expect_origin,
                                   FileSystemType expect_mount_type,
                                   FileSystemType expect_type,
                                   const base::FilePath& expect_path,
                                   const base::FilePath& expect_virtual_path,
                                   const std::string& expect_filesystem_id) {
@@ skipping 288 matching lines @@
   EXPECT_TRUE(context->CanServeURLRequest(cracked_url));
 
   ExternalMountPoints::GetSystemInstance()->RevokeFileSystem(
       kExternalMountName);
   IsolatedContext::GetInstance()->RevokeFileSystem(isolated_fs_id);
 }
 
 }  // namespace
 
 }  // namespace content