Replace ASSERT with DCHECK in modules/fetch.

third_party/WebKit/Source/modules/fetch/DataConsumerHandleTestUtil.h

 // Copyright 2015 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.
 
 #ifndef DataConsumerHandleTestUtil_h
 #define DataConsumerHandleTestUtil_h
 
 #include <memory>
 
 #include "bindings/core/v8/ScriptState.h"
@@ skipping 93 matching lines @@
         m_result.append(".\n");
       }
 
       String result() {
         MutexLocker locker(m_loggingMutex);
         return m_result.toString();
       }
 
       void registerThreadHolder(ThreadHolder* holder) {
         MutexLocker locker(m_holderMutex);
-        ASSERT(!m_holder);
+        DCHECK(!m_holder);
         m_holder = holder;
       }
       void unregisterThreadHolder() {
         MutexLocker locker(m_holderMutex);
-        ASSERT(m_holder);
+        DCHECK(m_holder);
         m_holder = nullptr;
       }
       void postTaskToReadingThread(const WebTraceLocation& location,
                                    std::unique_ptr<CrossThreadClosure> task) {
         MutexLocker locker(m_holderMutex);
-        ASSERT(m_holder);
+        DCHECK(m_holder);
         m_holder->readingThread()->postTask(location, std::move(task));
       }
       void postTaskToUpdatingThread(const WebTraceLocation& location,
                                     std::unique_ptr<CrossThreadClosure> task) {
         MutexLocker locker(m_holderMutex);
-        ASSERT(m_holder);
+        DCHECK(m_holder);
         m_holder->updatingThread()->postTask(location, std::move(task));
       }
 
      private:
       Context() : m_holder(nullptr) {}
       String currentThreadName() {
         MutexLocker locker(m_holderMutex);
         if (m_holder) {
           if (m_holder->readingThread()->isCurrentThread())
             return "the reading thread";
@@ skipping 374 matching lines @@
     std::unique_ptr<T> m_handleReader;
   };
 
   static std::unique_ptr<WebDataConsumerHandle>
   createWaitingDataConsumerHandle();
 };
 
 }  // namespace blink
 
 #endif  // DataConsumerHandleTestUtil_h