Initialize ServiceWorkerContextCore with a message loop for the disk cache to use.

content/browser/service_worker/service_worker_provider_host_unittest.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 "base/basictypes.h"
 #include "base/memory/weak_ptr.h"
 #include "content/browser/service_worker/service_worker_context_core.h"
 #include "content/browser/service_worker/service_worker_provider_host.h"
 #include "content/browser/service_worker/service_worker_register_job.h"
 #include "content/browser/service_worker/service_worker_registration.h"
 #include "content/browser/service_worker/service_worker_version.h"
 #include "content/public/test/test_browser_thread_bundle.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace content {
 
 static const int kRenderProcessId = 33;  // Dummy process ID for testing.
 
 class ServiceWorkerProviderHostTest : public testing::Test {
  protected:
   ServiceWorkerProviderHostTest()
       : thread_bundle_(TestBrowserThreadBundle::IO_MAINLOOP) {}
   virtual ~ServiceWorkerProviderHostTest() {}
 
   virtual void SetUp() OVERRIDE {
     context_.reset(new ServiceWorkerContextCore(
         base::FilePath(),
         base::MessageLoopProxy::current(),
+        base::MessageLoopProxy::current(),
         NULL,
         NULL,
         scoped_ptr<ServiceWorkerProcessManager>()));
 
     scope_ = GURL("http://www.example.com/*");
     script_url_ = GURL("http://www.example.com/service_worker.js");
     registration_ = new ServiceWorkerRegistration(
         scope_, script_url_, 1L, context_->AsWeakPtr());
     version_ = new ServiceWorkerVersion(
         registration_,
@@ skipping 145 matching lines @@
   EXPECT_EQ(version_.get(), provider_host2_->pending_version());
   EXPECT_EQ(NULL, provider_host3_->pending_version());
 
   register_job_->AssociatePendingVersionToDocuments(NULL);
   EXPECT_EQ(NULL, provider_host1_->pending_version());
   EXPECT_EQ(NULL, provider_host2_->pending_version());
   EXPECT_EQ(NULL, provider_host3_->pending_version());
 }
 
 }  // namespace content