Fix integration tests in src/chrome and src/extensions so that we can turn on IO thread checks wi...

chrome/test/ppapi/ppapi_browsertest.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 <stddef.h>
 
 #include "base/macros.h"
 #include "base/path_service.h"
 #include "base/test/test_timeouts.h"
+#include "base/threading/thread_restrictions.h"
 #include "build/build_config.h"
 #include "chrome/browser/content_settings/host_content_settings_map_factory.h"
 #include "chrome/browser/extensions/extension_browsertest.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_navigator_params.h"
 #include "chrome/browser/ui/extensions/app_launch_params.h"
 #include "chrome/browser/ui/extensions/application_launch.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chrome/common/chrome_paths.h"
@@ skipping 1232 matching lines @@
 #endif
 
 #if !defined(DISABLE_NACL)
 class PackagedAppTest : public ExtensionBrowserTest {
  public:
   explicit PackagedAppTest(const std::string& toolchain)
       : toolchain_(toolchain) { }
 
   void LaunchTestingApp(const std::string& extension_dirname) {
     base::FilePath data_dir;
-    ASSERT_TRUE(PathService::Get(chrome::DIR_GEN_TEST_DATA, &data_dir));
+    {
+      base::ThreadRestrictions::ScopedAllowIO allow_io;
+      ASSERT_TRUE(PathService::Get(chrome::DIR_GEN_TEST_DATA, &data_dir));
+    }
     base::FilePath app_dir = data_dir.AppendASCII("ppapi")
                                      .AppendASCII("tests")
                                      .AppendASCII("extensions")
                                      .AppendASCII(extension_dirname)
                                      .AppendASCII(toolchain_);
 
     const extensions::Extension* extension = LoadExtension(app_dir);
     ASSERT_TRUE(extension);
 
     AppLaunchParams params(
@@ skipping 60 matching lines @@
                        MAYBE_PPAPI_NACL(NoSocketPermissions)) {
   RunTests("no_socket_permissions");
 }
 
 IN_PROC_BROWSER_TEST_F(NewlibPackagedAppTest,
                        MAYBE_PPAPI_NACL(SocketPermissions)) {
   RunTests("socket_permissions");
 }
 
 #endif