Migrate WTF::Deque::first() to ::front()

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

 // 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.
 
 #include "modules/fetch/DataConsumerHandleTestUtil.h"
 
 #include "bindings/core/v8/DOMWrapperWorld.h"
 #include "public/platform/WebScheduler.h"
 #include "wtf/PtrUtil.h"
 #include <memory>
@@ skipping 189 matching lines @@
     : m_offset(0),
       m_readerThread(nullptr),
       m_client(nullptr),
       m_result(ShouldWait),
       m_isHandleAttached(true),
       m_detached(WTF::makeUnique<WaitableEvent>()) {}
 
 const DataConsumerHandleTestUtil::Command&
 DataConsumerHandleTestUtil::ReplayingHandle::Context::top() {
   DCHECK(!isEmpty());
-  return m_commands.first();
+  return m_commands.front();
 }
 
 void DataConsumerHandleTestUtil::ReplayingHandle::Context::consume(
     size_t size) {
   DCHECK(!isEmpty());
   DCHECK(size + m_offset <= top().body().size());
   bool fullyConsumed = (size + m_offset >= top().body().size());
   if (fullyConsumed) {
     m_offset = 0;
     m_commands.pop_front();
@@ skipping 115 matching lines @@
       std::move(m_onFinishedReading));
   (*onFinishedReading)(std::move(result));
 }
 
 std::unique_ptr<WebDataConsumerHandle>
 DataConsumerHandleTestUtil::createWaitingDataConsumerHandle() {
   return WTF::wrapUnique(new WaitingHandle);
 }
 
 }  // namespace blink