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

chrome/browser/password_manager/password_manager_browsertest.cc

 // Copyright 2013 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 <string>
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/metrics/histogram_samples.h"
 #include "base/metrics/statistics_recorder.h"
 #include "base/path_service.h"
 #include "base/run_loop.h"
 #include "base/stl_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/test/histogram_tester.h"
 #include "base/test/scoped_feature_list.h"
+#include "base/threading/thread_restrictions.h"
 #include "build/build_config.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/password_manager/chrome_password_manager_client.h"
 #include "chrome/browser/password_manager/password_manager_test_base.h"
 #include "chrome/browser/password_manager/password_store_factory.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/login/login_handler.h"
 #include "chrome/browser/ui/login/login_handler_test_utils.h"
@@ skipping 58 matching lines @@
 class MockLoginModelObserver : public password_manager::LoginModelObserver {
  public:
   MOCK_METHOD2(OnAutofillDataAvailableInternal,
                void(const base::string16&, const base::string16&));
 
  private:
   void OnLoginModelDestroying() override {}
 };
 
 GURL GetFileURL(const char* filename) {
+  base::ThreadRestrictions::ScopedAllowIO allow_io;
   base::FilePath path;
   PathService::Get(chrome::DIR_TEST_DATA, &path);
   path = path.AppendASCII("password").AppendASCII(filename);
   CHECK(base::PathExists(path));
   return net::FilePathToFileURL(path);
 }
 
 // Handles |request| to "/basic_auth". If "Authorization" header is present,
 // responds with a non-empty HTTP 200 page (regardless of its value). Otherwise
 // serves a Basic Auth challenge.
@@ skipping 3224 matching lines @@
   // Force a round-trip.
   ASSERT_TRUE(content::ExecuteScriptWithoutUserGesture(RenderFrameHost(),
                                                        "var noop = 'noop';"));
   // Ensure the warning was not triggered.
   ASSERT_FALSE(observing_autofill_client->DidPopupAppear());
   // Ensure the histogram remains empty.
   histograms.ExpectTotalCount(kHistogram, 0);
 }
 
 }  // namespace password_manager