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

content/browser/streams/stream_context.cc

 // Copyright (c) 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 "content/browser/streams/stream_context.h"
 
 #include "base/bind.h"
 #include "content/browser/streams/stream_registry.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/browser_thread.h"
@@ skipping 18 matching lines @@
       BrowserThread::PostTask(
           BrowserThread::IO, FROM_HERE,
           base::Bind(&StreamContext::InitializeOnIOThread, stream));
     }
   }
 
   return UserDataAdapter<StreamContext>::Get(context, kStreamContextKeyName);
 }
 
 void StreamContext::InitializeOnIOThread() {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
+  DCHECK_CURRENTLY_ON(BrowserThread::IO);
   registry_.reset(new StreamRegistry());
 }
 
 StreamContext::~StreamContext() {}
 
 void StreamContext::DeleteOnCorrectThread() const {
   // In many tests, there isn't a valid IO thread.  In that case, just delete on
   // the current thread.
   // TODO(zork): Remove this custom deleter, and fix the leaks in all the
   // tests.
   if (BrowserThread::IsMessageLoopValid(BrowserThread::IO) &&
       !BrowserThread::CurrentlyOn(BrowserThread::IO)) {
     BrowserThread::DeleteSoon(BrowserThread::IO, FROM_HERE, this);
     return;
   }
   delete this;
 }
 
 }  // namespace content