Revert of Establish MojoChildConnection from BrowserChildProcessHostImpl

chrome/browser/chromeos/extensions/device_local_account_external_policy_loader_unittest.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 "chrome/browser/chromeos/extensions/device_local_account_external_policy_loader.h"
 
 #include <string>
 #include <utility>
 
 #include "base/callback.h"
@@ skipping 182 matching lines @@
 // serve any extensions, even if the force-install list policy is set or a load
 // is manually requested.
 TEST_F(DeviceLocalAccountExternalPolicyLoaderTest, CacheNotStarted) {
   // Set the force-install list policy.
   SetForceInstallListPolicy();
 
   // Manually request a load.
   loader_->StartLoading();
 
   EXPECT_FALSE(loader_->IsCacheRunning());
+  EXPECT_TRUE(base::MessageLoop::current()->IsIdleForTesting());
 }
 
 // Verifies that the cache can be started and stopped correctly.
 TEST_F(DeviceLocalAccountExternalPolicyLoaderTest, ForceInstallListEmpty) {
   // Set an empty force-install list policy.
   store_.NotifyStoreLoaded();
 
   // Start the cache. Verify that the loader announces an empty extension list.
   EXPECT_CALL(visitor_, OnExternalProviderReady(provider_.get()))
       .Times(1);
@@ skipping 98 matching lines @@
   loader_->StopCache(shutdown_run_loop.QuitClosure());
   VerifyAndResetVisitorCallExpectations();
 
   // Spin the loop until the cache shutdown callback is invoked. Verify that at
   // that point, no further file I/O tasks are pending.
   shutdown_run_loop.Run();
   EXPECT_TRUE(base::MessageLoop::current()->IsIdleForTesting());
 }
 
 }  // namespace chromeos