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

content/public/test/browser_test_base.cc

 // Copyright (c) 2011 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 "content/public/test/browser_test_base.h"
 
 #include <stddef.h>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 331 matching lines @@
   {
     // This can be called from a posted task. Allow nested tasks here, because
     // otherwise the test body will have to do it in order to use RunLoop for
     // waiting.
     base::MessageLoop::ScopedNestableTaskAllower allow(
         base::MessageLoop::current());
     PreRunTestOnMainThread();
     SetUpOnMainThread();
     bool old_io_allowed_value = false;
     if (!disable_io_checks_)
-      base::ThreadRestrictions::SetIOAllowed(false);
+      old_io_allowed_value = base::ThreadRestrictions::SetIOAllowed(false);
     RunTestOnMainThread();
     if (!disable_io_checks_)
       base::ThreadRestrictions::SetIOAllowed(old_io_allowed_value);
     TearDownOnMainThread();
     PostRunTestOnMainThread();
   }
 
   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kEnableTracing)) {
     base::FilePath trace_file =
@@ skipping 47 matching lines @@
   use_software_compositing_ = true;
 }
 
 bool BrowserTestBase::UsingSoftwareGL() const {
   base::CommandLine* cmd = base::CommandLine::ForCurrentProcess();
   return cmd->GetSwitchValueASCII(switches::kUseGL) ==
          gl::GetGLImplementationName(gl::GetSoftwareGLImplementation());
 }
 
 }  // namespace content