[chrome/browser/net] favor DCHECK_CURRENTLY_ON for better logs

chrome/browser/net/predictor_browsertest.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 "base/base64.h"
 #include "base/command_line.h"
 #include "base/json/json_string_value_serializer.h"
 #include "base/prefs/pref_service.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/net/chrome_net_log.h"
@@ skipping 46 matching lines @@
                    base::Unretained(this),
                    host));
     return net::ERR_NAME_NOT_RESOLVED;
   }
 
   int RequestedHostnameCount() const {
     return requested_hostnames_.size();
   }
 
   bool HasHostBeenRequested(const std::string& hostname) const {
-    DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+    DCHECK_CURRENTLY_ON(BrowserThread::UI);
     return std::find(requested_hostnames_.begin(),
                      requested_hostnames_.end(),
                      hostname) != requested_hostnames_.end();
   }
 
   void WaitUntilHostHasBeenRequested(const std::string& hostname) {
-    DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+    DCHECK_CURRENTLY_ON(BrowserThread::UI);
     DCHECK(!is_waiting_for_hostname_);
     if (HasHostBeenRequested(hostname))
       return;
     waiting_for_hostname_ = hostname;
     is_waiting_for_hostname_ = true;
     content::RunMessageLoop();
   }
 
  private:
   ~HostResolutionRequestRecorder() override {}
 
   void AddToHistory(const std::string& hostname) {
-    DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+    DCHECK_CURRENTLY_ON(BrowserThread::UI);
     requested_hostnames_.push_back(hostname);
     if (is_waiting_for_hostname_ && waiting_for_hostname_ == hostname) {
       is_waiting_for_hostname_ = false;
       waiting_for_hostname_.clear();
       base::MessageLoop::current()->Quit();
     }
   }
 
   // The hostname which WaitUntilHostHasBeenRequested is currently waiting for
   // to be requested.
@@ skipping 206 matching lines @@
   net_log_observer.Attach();
 
   ui_test_utils::NavigateToURL(browser(), GURL(data_uri));
 
   net_log_observer.WaitForConnect();
   net_log_observer.Detach();
 }
 
 }  // namespace chrome_browser_net