[content shell] implement pathToLocalResource

content/shell/shell_messages.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.
 
 // Multiply-included file, no traditional include guard.
 #include <string>
 #include <vector>
 
 #include "content/public/common/common_param_traits.h"
 #include "ipc/ipc_message_macros.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 
 #define IPC_MESSAGE_START ShellMsgStart
 
 IPC_STRUCT_BEGIN(ShellViewMsg_SetTestConfiguration_Params)
   // The current working directory.
   IPC_STRUCT_MEMBER(base::FilePath, current_working_directory)
 
+  // The temporary directory of the system.
+  IPC_STRUCT_MEMBER(base::FilePath, temp_path)
+
   // The URL of the current layout test.
   IPC_STRUCT_MEMBER(GURL, test_url)
 
   // True if pixel tests are enabled.
   IPC_STRUCT_MEMBER(bool, enable_pixel_dumping)
 
   // The layout test timeout in milliseconds.
   IPC_STRUCT_MEMBER(int, layout_test_timeout)
 
   // True if tests can open external URLs
@@ skipping 51 matching lines @@
                     std::string /* frame_name */)
 
 IPC_MESSAGE_ROUTED2(ShellViewHostMsg_NotImplemented,
                     std::string /* object_name */,
                     std::string /* property_name */)
 IPC_MESSAGE_ROUTED0(ShellViewHostMsg_ClearAllDatabases)
 IPC_MESSAGE_ROUTED1(ShellViewHostMsg_SetDatabaseQuota,
                     int /* quota */)
 IPC_MESSAGE_ROUTED1(ShellViewHostMsg_AcceptAllCookies,
                     bool /* accept */)