[content shell] implement pathToLocalResource

content/shell/shell_browser_main.cc

 // 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.
 
 #include "content/shell/shell_browser_main.h"
 
 #include <iostream>
 
 #include "base/command_line.h"
 #include "base/file_path.h"
@@ skipping 105 matching lines @@
   if (CommandLine::ForCurrentProcess()->HasSwitch(
         switches::kCheckLayoutTestSysDeps)) {
     MessageLoop::current()->PostTask(FROM_HERE, MessageLoop::QuitClosure());
     main_runner_->Run();
     main_runner_->Shutdown();
     return 0;
   }
 
   if (layout_test_mode) {
     content::WebKitTestController test_controller;
+    {
+      // We're outside of the message loop here, and this is a test.
+      base::ThreadRestrictions::ScopedAllowIO allow_io;
+      base::FilePath temp_path;
+      file_util::GetTempDir(&temp_path);
+      test_controller.SetTempPath(temp_path);
+    }
     std::string test_string;
     CommandLine::StringVector args =
         CommandLine::ForCurrentProcess()->GetArgs();
     size_t command_line_position = 0;
     bool ran_at_least_once = false;
 
 #if defined(OS_ANDROID)
     std::cout << "#READY\n";
     std::cout.flush();
 #endif
@@ skipping 26 matching lines @@
     }
     exit_code = 0;
   } else {
     exit_code = main_runner_->Run();
   }
 
   main_runner_->Shutdown();
 
   return exit_code;
 }