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

chrome/browser/importer/edge_importer_browsertest_win.cc

 // Copyright 2015 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 <vector>
 
 #include "base/files/file_util.h"
 #include "base/files/scoped_temp_dir.h"
@@ skipping 185 matching lines @@
   };
 
   std::vector<FaviconGroup> favicon_groups(
       kEdgeFaviconGroup, kEdgeFaviconGroup + arraysize(kEdgeFaviconGroup));
 
   base::FilePath data_path;
   ASSERT_TRUE(PathService::Get(chrome::DIR_TEST_DATA, &data_path));
   data_path = data_path.AppendASCII("edge_profile");
 
   base::FilePath temp_path = temp_dir_.GetPath();
-  ASSERT_TRUE(base::CopyDirectory(data_path, temp_path, true));
-  ASSERT_TRUE(DecompressDatabase(temp_path.AppendASCII("edge_profile")));
+  {
+    base::ThreadRestrictions::ScopedAllowIO allow_io;
+    ASSERT_TRUE(base::CopyDirectory(data_path, temp_path, true));
+    ASSERT_TRUE(DecompressDatabase(temp_path.AppendASCII("edge_profile")));
+  }
 
   base::string16 key_path(importer::GetEdgeSettingsKey());
   base::win::RegKey key;
   ASSERT_EQ(ERROR_SUCCESS,
             key.Create(HKEY_CURRENT_USER, key_path.c_str(), KEY_WRITE));
   key.WriteValue(L"FavoritesESEEnabled", 1);
   ASSERT_FALSE(importer::IsEdgeFavoritesLegacyMode());
 
   // Starts to import the above settings.
   // Deletes itself.
@@ skipping 18 matching lines @@
       kEdgeBookmarks, kEdgeBookmarks + arraysize(kEdgeBookmarks));
   const FaviconGroup kEdgeFaviconGroup[] = {
       {L"http://www.google.com/favicon.ico", L"http://www.google.com/"}};
   std::vector<FaviconGroup> favicon_groups(
       kEdgeFaviconGroup, kEdgeFaviconGroup + arraysize(kEdgeFaviconGroup));
 
   base::FilePath data_path;
   ASSERT_TRUE(PathService::Get(chrome::DIR_TEST_DATA, &data_path));
   data_path = data_path.AppendASCII("edge_profile");
 
-  ASSERT_TRUE(base::CopyDirectory(data_path, temp_dir_.GetPath(), true));
-  ASSERT_TRUE(importer::IsEdgeFavoritesLegacyMode());
+  {
+    base::ThreadRestrictions::ScopedAllowIO allow_io;
+    ASSERT_TRUE(base::CopyDirectory(data_path, temp_dir_.GetPath(), true));
+    ASSERT_TRUE(importer::IsEdgeFavoritesLegacyMode());
+  }
 
   // Starts to import the above settings.
   // Deletes itself.
   ExternalProcessImporterHost* host = new ExternalProcessImporterHost;
   scoped_refptr<TestObserver> observer(
       new TestObserver(bookmark_entries, favicon_groups));
   host->set_observer(observer.get());
 
   importer::SourceProfile source_profile;
   source_profile.importer_type = importer::TYPE_EDGE;
   base::FilePath source_path = temp_dir_.GetPath().AppendASCII("edge_profile");
-  ASSERT_NE(-1,
-            base::WriteFile(
+  {
+    base::ThreadRestrictions::ScopedAllowIO allow_io;
+    ASSERT_NE(
+        -1, base::WriteFile(
                 source_path.AppendASCII("Favorites\\Google.url:favicon:$DATA"),
                 kDummyFaviconImageData, sizeof(kDummyFaviconImageData)));
+  }
   source_profile.source_path = source_path;
 
   host->StartImportSettings(source_profile, browser()->profile(),
                             importer::FAVORITES, observer.get());
   base::RunLoop().Run();
 }
 
 IN_PROC_BROWSER_TEST_F(EdgeImporterBrowserTest, EdgeImporterNoDatabase) {
   // Only verified to work with ESE library on Windows 8.1 and above.
   if (base::win::GetVersion() < base::win::VERSION_WIN8_1)
@@ skipping 17 matching lines @@
   host->set_observer(observer.get());
 
   importer::SourceProfile source_profile;
   source_profile.importer_type = importer::TYPE_EDGE;
   source_profile.source_path = temp_dir_.GetPath();
 
   host->StartImportSettings(source_profile, browser()->profile(),
                             importer::FAVORITES, observer.get());
   base::RunLoop().Run();
 }