favor DCHECK_CURRENTLY_ON for better logs in content/browser/[f-p]*

content/browser/loader/resource_loader.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 "content/browser/loader/resource_loader.h"
 
 #include "base/command_line.h"
 #include "base/message_loop/message_loop.h"
 #include "base/metrics/histogram.h"
 #include "base/profiler/scoped_tracker.h"
@@ skipping 461 matching lines @@
             "423948 ResourceLoader::OnReadCompleted4"));
 
     // URLRequest reported an EOF. Call ResponseCompleted.
     DCHECK_EQ(0, bytes_read);
     ResponseCompleted();
   }
 }
 
 void ResourceLoader::CancelSSLRequest(int error,
                                       const net::SSLInfo* ssl_info) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
+  DCHECK_CURRENTLY_ON(BrowserThread::IO);
 
   // The request can be NULL if it was cancelled by the renderer (as the
   // request of the user navigating to a new page from the location bar).
   if (!request_->is_pending())
     return;
   DVLOG(1) << "CancelSSLRequest() url: " << request_->url().spec();
 
   if (ssl_info) {
     request_->CancelWithSSLError(error, *ssl_info);
   } else {
     request_->CancelWithError(error);
   }
 }
 
 void ResourceLoader::ContinueSSLRequest() {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
+  DCHECK_CURRENTLY_ON(BrowserThread::IO);
 
   DVLOG(1) << "ContinueSSLRequest() url: " << request_->url().spec();
 
   request_->ContinueDespiteLastError();
 }
 
 void ResourceLoader::ContinueWithCertificate(net::X509Certificate* cert) {
   DCHECK(ssl_client_auth_handler_);
   ssl_client_auth_handler_.reset();
   request_->ContinueWithCertificate(cert);
@@ skipping 347 matching lines @@
       case net::URLRequestStatus::FAILED:
         status = STATUS_UNDEFINED;
         break;
     }
 
     UMA_HISTOGRAM_ENUMERATION("Net.Prefetch.Pattern", status, STATUS_MAX);
   }
 }
 
 }  // namespace content