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

chrome/browser/renderer_context_menu/render_view_context_menu_browsertest.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 "chrome/browser/renderer_context_menu/render_view_context_menu.h"
 
 #include <algorithm>
 #include <memory>
 #include <string>
 #include <utility>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/memory/ref_counted.h"
 #include "base/run_loop.h"
 #include "base/strings/string16.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
+#include "base/threading/thread_restrictions.h"
 #include "build/build_config.h"
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/profiles/profile_attributes_entry.h"
 #include "chrome/browser/profiles/profile_attributes_storage.h"
 #include "chrome/browser/profiles/profile_window.h"
 #include "chrome/browser/renderer_context_menu/render_view_context_menu_browsertest_util.h"
 #include "chrome/browser/renderer_context_menu/render_view_context_menu_test_util.h"
 #include "chrome/browser/search_engines/template_url_service_factory.h"
@@ skipping 75 matching lines @@
     params.writing_direction_right_to_left = 0;
 #endif  // OS_MACOSX
     std::unique_ptr<TestRenderViewContextMenu> menu(
         new TestRenderViewContextMenu(web_contents->GetMainFrame(), params));
     menu->Init();
     return menu;
   }
 
   // Does not work on ChromeOS.
   Profile* CreateSecondaryProfile(int profile_num) {
+    base::ThreadRestrictions::ScopedAllowIO allow_io;
     ProfileManager* profile_manager = g_browser_process->profile_manager();
     base::FilePath profile_path = profile_manager->user_data_dir();
     profile_path = profile_path.AppendASCII(
         base::StringPrintf("New Profile %d", profile_num));
     return profile_manager->GetProfile(profile_path);
   }
 };
 
 IN_PROC_BROWSER_TEST_F(ContextMenuBrowserTest,
                        OpenEntryPresentForNormalURLs) {
@@ skipping 662 matching lines @@
 IN_PROC_BROWSER_TEST_F(LoadImageBrowserTest, LoadImage) {
   static const char kValidImage[] = "/load_image/image.png";
   SetupAndLoadImagePage(kValidImage);
   AddLoadImageInterceptor(kValidImage);
   AttemptLoadImage();
   interceptor_->WaitForRequests(1);
   EXPECT_EQ(1, interceptor_->num_requests());
 }
 
 }  // namespace