favor DCHECK_CURRENTLY_ON for better logs in content/browser/[q-z]*

content/browser/service_worker/service_worker_browsertest.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/bind.h"
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "base/run_loop.h"
 #include "base/strings/utf_string_conversions.h"
 #include "content/browser/fileapi/chrome_blob_storage_context.h"
@@ skipping 209 matching lines @@
         request, network_delegate, headers, body_, true);
   }
 
  private:
   std::string body_;
   DISALLOW_COPY_AND_ASSIGN(LongLivedResourceInterceptor);
 };
 
 void CreateLongLivedResourceInterceptors(
     const GURL& worker_url, const GURL& import_url) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
+  DCHECK_CURRENTLY_ON(BrowserThread::IO);
   scoped_ptr<net::URLRequestInterceptor> interceptor;
 
   interceptor.reset(new LongLivedResourceInterceptor(
       "importScripts('long_lived_import.js');"));
   net::URLRequestFilter::GetInstance()->AddUrlInterceptor(
       worker_url, interceptor.Pass());
 
   interceptor.reset(new LongLivedResourceInterceptor(
       "// the imported script does nothing"));
   net::URLRequestFilter::GetInstance()->AddUrlInterceptor(
@@ skipping 957 matching lines @@
   ASSERT_EQ(SERVICE_WORKER_OK, status);
   // Stop the worker.
   StopWorker(SERVICE_WORKER_OK);
   // Restart the worker.
   StartWorker(SERVICE_WORKER_OK);
   // Stop the worker.
   StopWorker(SERVICE_WORKER_OK);
 }
 
 }  // namespace content