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

extensions/browser/guest_view/web_view/web_view_apitest.cc

 // Copyright 2014 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 "extensions/browser/guest_view/web_view/web_view_apitest.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/macros.h"
 #include "base/path_service.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
+#include "base/threading/thread_restrictions.h"
 #include "build/build_config.h"
 #include "components/guest_view/browser/guest_view_manager.h"
 #include "components/guest_view/browser/guest_view_manager_delegate.h"
 #include "components/guest_view/browser/guest_view_manager_factory.h"
 #include "components/guest_view/browser/test_guest_view_manager.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/test/browser_test_utils.h"
 #include "content/public/test/test_renderer_host.h"
 #include "content/public/test/test_utils.h"
@@ skipping 107 matching lines @@
 
 }  // namespace
 
 namespace extensions {
 
 WebViewAPITest::WebViewAPITest() {
   GuestViewManager::set_factory_for_testing(&factory_);
 }
 
 void WebViewAPITest::LaunchApp(const std::string& app_location) {
+  base::ThreadRestrictions::ScopedAllowIO allow_io;
   base::FilePath test_data_dir;
   PathService::Get(DIR_TEST_DATA, &test_data_dir);
   test_data_dir = test_data_dir.AppendASCII(app_location.c_str());
 
   test_config_.SetString(kTestDataDirectory,
                          net::FilePathToFileURL(test_data_dir).spec());
 
   const Extension* extension = extension_system_->LoadApp(test_data_dir);
   ASSERT_TRUE(extension);
   extension_system_->LaunchApp(extension->id());
@@ skipping 45 matching lines @@
 
 void WebViewAPITest::StartTestServer(const std::string& app_location) {
   // For serving guest pages.
   if (!embedded_test_server()->InitializeAndListen()) {
     LOG(ERROR) << "Failed to start test server.";
     return;
   }
 
   test_config_.SetInteger(kTestServerPort, embedded_test_server()->port());
 
+  base::ThreadRestrictions::ScopedAllowIO allow_io;
   base::FilePath test_data_dir;
   PathService::Get(DIR_TEST_DATA, &test_data_dir);
   test_data_dir = test_data_dir.AppendASCII(app_location.c_str());
   embedded_test_server()->ServeFilesFromDirectory(test_data_dir);
 
   embedded_test_server()->RegisterRequestHandler(
       base::Bind(&RedirectResponseHandler,
                  kRedirectResponsePath,
                  embedded_test_server()->GetURL(kRedirectResponseFullPath)));
 
@@ skipping 547 matching lines @@
 // This test verifies that webview.contentWindow works inside an iframe
 IN_PROC_BROWSER_TEST_F(WebViewAPITest, TestWebViewInsideFrame) {
   LaunchApp("web_view/inside_iframe");
 }
 
 IN_PROC_BROWSER_TEST_F(WebViewAPITest, TestCaptureVisibleRegion) {
   RunTest("testCaptureVisibleRegion", "web_view/apitest");
 }
 
 }  // namespace extensions