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

content/browser/indexed_db/indexed_db_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/bind.h"
 #include "base/command_line.h"
 #include "base/files/file.h"
 #include "base/files/file_enumerator.h"
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
@@ skipping 107 matching lines @@
             shell()->web_contents()->GetBrowserContext())->GetQuotaManager());
   }
 
   static void SetTempQuota(int64 bytes, scoped_refptr<QuotaManager> qm) {
     if (!BrowserThread::CurrentlyOn(BrowserThread::IO)) {
       BrowserThread::PostTask(
           BrowserThread::IO, FROM_HERE,
           base::Bind(&IndexedDBBrowserTest::SetTempQuota, bytes, qm));
       return;
     }
-    DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
+    DCHECK_CURRENTLY_ON(BrowserThread::IO);
     qm->SetTemporaryGlobalOverrideQuota(bytes, storage::QuotaCallback());
     // Don't return until the quota has been set.
     scoped_refptr<base::ThreadTestHelper> helper(new base::ThreadTestHelper(
         BrowserThread::GetMessageLoopProxyForThread(BrowserThread::DB)));
     ASSERT_TRUE(helper->Run());
   }
 
   virtual int64 RequestDiskUsage() {
     PostTaskAndReplyWithResult(
         GetContext()->TaskRunner(),
@@ skipping 700 matching lines @@
     command_line->AppendSwitch(switches::kSingleProcess);
   }
 };
 
 IN_PROC_BROWSER_TEST_F(IndexedDBBrowserTestSingleProcess,
                        RenderThreadShutdownTest) {
   SimpleTest(GetTestUrl("indexeddb", "shutdown_with_requests.html"));
 }
 
 }  // namespace content