Do not spawn a thread in browser/interactive ui tests before spawning sandbox host process

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 "base/bind.h"
 #include "base/command_line.h"
 #include "base/debug/stack_trace.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 198 matching lines @@
         switches::kUseGL, gfx::kGLImplementationOSMesaName);
   }
 
   scoped_refptr<net::HostResolverProc> local_resolver =
       new LocalHostResolverProc();
   rule_based_resolver_ =
       new net::RuleBasedHostResolverProc(local_resolver.get());
   rule_based_resolver_->AddSimulatedFailure("wpad");
   net::ScopedDefaultHostResolverProc scoped_local_host_resolver_proc(
       rule_based_resolver_.get());
-
   SetUpInProcessBrowserTestFixture();
-
   MainFunctionParams params(*command_line);
   params.ui_task =
       new base::Closure(
           base::Bind(&BrowserTestBase::ProxyRunTestOnMainThreadLoop, this));
 
 #if defined(OS_ANDROID)
   BrowserMainRunner::Create()->Initialize(params);
   // We are done running the test by now. During teardown we
   // need to be able to perform IO.
   base::ThreadRestrictions::SetIOAllowed(true);
@@ skipping 38 matching lines @@
       RenderProcessHostImpl::GetInProcessRendererThreadForTesting();
   CHECK(renderer_loop);
 
   renderer_loop->PostTask(
       FROM_HERE,
       base::Bind(&RunTaskOnRendererThread, task, runner->QuitClosure()));
   runner->Run();
 }
 
 }  // namespace content