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 @@
         result_.Append(".\n");
       }
 
       String Result() {
         MutexLocker locker(logging_mutex_);
         return result_.ToString();
       }
 
       void RegisterThreadHolder(ThreadHolder* holder) {
         MutexLocker locker(holder_mutex_);
-        ASSERT(!holder_);
+        DCHECK(!holder_);
         holder_ = holder;
       }
       void UnregisterThreadHolder() {
         MutexLocker locker(holder_mutex_);
-        ASSERT(holder_);
+        DCHECK(holder_);
         holder_ = nullptr;
       }
       void PostTaskToReadingThread(const WebTraceLocation& location,
                                    std::unique_ptr<CrossThreadClosure> task) {
         MutexLocker locker(holder_mutex_);
-        ASSERT(holder_);
+        DCHECK(holder_);
         holder_->ReadingThread()->PostTask(location, std::move(task));
       }
       void PostTaskToUpdatingThread(const WebTraceLocation& location,
                                     std::unique_ptr<CrossThreadClosure> task) {
         MutexLocker locker(holder_mutex_);
-        ASSERT(holder_);
+        DCHECK(holder_);
         holder_->UpdatingThread()->PostTask(location, std::move(task));
       }
 
      private:
       Context() : holder_(nullptr) {}
       String CurrentThreadName() {
         MutexLocker locker(holder_mutex_);
         if (holder_) {
           if (holder_->ReadingThread()->IsCurrentThread())
             return "the reading thread";
@@ skipping 374 matching lines @@
     std::unique_ptr<T> handle_reader_;
   };
 
   static std::unique_ptr<WebDataConsumerHandle>
   CreateWaitingDataConsumerHandle();
 };
 
 }  // namespace blink
 
 #endif  // DataConsumerHandleTestUtil_h