Moving away from shell api to support long path names on windows for filesystem.

chrome/browser/renderer_host/browser_render_process_host.cc

 // Copyright (c) 2010 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.
 
 // Represents the browser side of the browser <--> renderer communication
 // channel. There will be one RenderProcessHost per renderer process.
 
 #include "chrome/browser/renderer_host/browser_render_process_host.h"
 
 #include <algorithm>
@@ skipping 268 matching lines @@
   visited_link_updater_.reset(new VisitedLinkUpdater());
 
   WebCacheManager::GetInstance()->Add(id());
   ChildProcessSecurityPolicy::GetInstance()->Add(id());
 
   // Grant most file permissions to this renderer.
   // PLATFORM_FILE_TEMPORARY, PLATFORM_FILE_HIDDEN and
   // PLATFORM_FILE_DELETE_ON_CLOSE are not granted, because no existing API
   // requests them.
   ChildProcessSecurityPolicy::GetInstance()->GrantPermissionsForFile(
-      id(), profile->GetPath().Append(
-          fileapi::FileSystemPathManager::kFileSystemDirectory),
+      id(),
+      fileapi::FileSystemPathManager::GetFileSystemCommonRootDirectory(
+          profile->GetPath()),
       base::PLATFORM_FILE_OPEN |
       base::PLATFORM_FILE_CREATE |
       base::PLATFORM_FILE_OPEN_ALWAYS |
       base::PLATFORM_FILE_CREATE_ALWAYS |
       base::PLATFORM_FILE_READ |
       base::PLATFORM_FILE_WRITE |
       base::PLATFORM_FILE_EXCLUSIVE_READ |
       base::PLATFORM_FILE_EXCLUSIVE_WRITE |
       base::PLATFORM_FILE_ASYNC |
       base::PLATFORM_FILE_TRUNCATE |
@@ skipping 997 matching lines @@
     IPC::PlatformFileForTransit file;
 #if defined(OS_POSIX)
     file = base::FileDescriptor(model_file, false);
 #elif defined(OS_WIN)
     ::DuplicateHandle(::GetCurrentProcess(), model_file, GetHandle(), &file, 0,
                       false, DUPLICATE_SAME_ACCESS);
 #endif
     Send(new ViewMsg_SetPhishingModel(file));
   }
 }