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

chrome/browser/extensions/extension_gcm_app_handler_unittest.cc

 // Copyright 2014 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/extensions/extension_gcm_app_handler.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 80 matching lines @@
     content::BrowserThread::PostTask(
         content::BrowserThread::IO,
         FROM_HERE,
         base::Bind(&Waiter::OnIOLoopPump, base::Unretained(this)));
 
     WaitUntilCompleted();
   }
 
  private:
   void PumpIOLoopCompleted() {
-    DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
+    DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
 
     SignalCompleted();
   }
 
   void OnIOLoopPump() {
-    DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::IO));
+    DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
 
     content::BrowserThread::PostTask(
         content::BrowserThread::IO,
         FROM_HERE,
         base::Bind(&Waiter::OnIOLoopPumpCompleted, base::Unretained(this)));
   }
 
   void OnIOLoopPumpCompleted() {
-    DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::IO));
+    DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
 
     content::BrowserThread::PostTask(
         content::BrowserThread::UI,
         FROM_HERE,
         base::Bind(&Waiter::PumpIOLoopCompleted, base::Unretained(this)));
   }
 
   scoped_ptr<base::RunLoop> run_loop_;
 
   DISALLOW_COPY_AND_ASSIGN(Waiter);
@@ skipping 323 matching lines @@
 
   // App handler is removed when the extension is updated to the version that
   // has GCM permission removed.
   UpdateExtension(extension.get(), "good2.crx");
   waiter()->PumpUILoop();
   EXPECT_TRUE(gcm_app_handler()->app_handler_count_drop_to_zero());
   EXPECT_FALSE(HasAppHandlers(extension->id()));
 }
 
 }  // namespace extensions