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

chrome/browser/apps/ephemeral_app_throttle.cc

 // Copyright 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 "chrome/browser/apps/ephemeral_app_throttle.h"
 
 #include "base/command_line.h"
 #include "chrome/browser/apps/ephemeral_app_launcher.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/profiles/profile.h"
@@ skipping 12 matching lines @@
 using content::BrowserThread;
 using content::WebContents;
 using extensions::Extension;
 
 namespace {
 
 bool LaunchEphemeralApp(
     const std::string& app_id,
     content::WebContents* source,
     const navigation_interception::NavigationParams& params) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
 
   // Redirect top-level navigations only.
   if (source->IsSubframe())
     return false;
 
   Profile* profile =
       Profile::FromBrowserContext(source->GetBrowserContext());
   if (!profile)
     return false;
 
@@ skipping 48 matching lines @@
     return NULL;
 
   std::string app_id(request->url().ExtractFileName());
   if (!crx_file::id_util::IdIsValid(app_id))
     return NULL;
 
   return new navigation_interception::InterceptNavigationResourceThrottle(
       request,
       base::Bind(&LaunchEphemeralApp, app_id));
 }