[WIP] Add DCHECK for mojo::edk::Init().

chrome/service/service_process.cc

 // Copyright (c) 2012 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/service/service_process.h"
 
 #include <algorithm>
 #include <utility>
 
 #include "base/base_switches.h"
@@ skipping 152 matching lines @@
   // Initialize TaskScheduler and redirect SequencedWorkerPool tasks to it.
   constexpr int kMaxTaskSchedulerThreads = 3;
   base::TaskScheduler::CreateAndSetSimpleTaskScheduler(
       kMaxTaskSchedulerThreads);
   base::SequencedWorkerPool::EnableWithRedirectionToTaskSchedulerForProcess();
 
   blocking_pool_ = new base::SequencedWorkerPool(
       3, "ServiceBlocking", base::TaskPriority::USER_VISIBLE);
 
   // Initialize Mojo early so things can use it.
-  mojo::edk::Init();
+  // mojo::edk::Init() is called in InitializeMojo() via
+  // ContentMainRunnerImpl::Initialize(), so do not call it here.
   mojo_ipc_support_.reset(
       new mojo::edk::ScopedIPCSupport(io_thread_->task_runner()));
 
   request_context_getter_ = new ServiceURLRequestContextGetter();
 
   base::FilePath user_data_dir;
   PathService::Get(chrome::DIR_USER_DATA, &user_data_dir);
   base::FilePath pref_path =
       user_data_dir.Append(chrome::kServiceStateFileName);
   service_prefs_.reset(new ServiceProcessPrefs(
@@ skipping 240 matching lines @@
     } else {
       Shutdown();
     }
   }
 }
 
 ServiceProcess::~ServiceProcess() {
   Teardown();
   g_service_process = NULL;
 }