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

chrome/browser/safe_browsing/client_side_detection_host_unittest.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/files/file_path.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/run_loop.h"
 #include "base/strings/stringprintf.h"
 #include "base/synchronization/waitable_event.h"
@@ skipping 120 matching lines @@
 class MockSafeBrowsingUIManager : public SafeBrowsingUIManager {
  public:
   explicit MockSafeBrowsingUIManager(SafeBrowsingService* service)
       : SafeBrowsingUIManager(service) { }
 
   MOCK_METHOD1(DisplayBlockingPage, void(const UnsafeResource& resource));
 
   // Helper function which calls OnBlockingPageComplete for this client
   // object.
   void InvokeOnBlockingPageComplete(const UrlCheckCallback& callback) {
-    DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
+    DCHECK_CURRENTLY_ON(BrowserThread::IO);
     // Note: this will delete the client object in the case of the CsdClient
     // implementation.
     if (!callback.is_null())
       callback.Run(false);
   }
 
  protected:
   virtual ~MockSafeBrowsingUIManager() { }
 
  private:
@@ skipping 989 matching lines @@
   EXPECT_EQ(url, resource.url);
   EXPECT_EQ(url, resource.original_url);
 
   ExpectStartPhishingDetection(NULL);
 
   // Showing a phishing warning will invalidate all the weak pointers which
   // means we will not extract malware features.
   ExpectShouldClassifyForMalwareResult(false);
 }
 }  // namespace safe_browsing