WTF/std normalization: replace WTF::Vector::last with ::back

third_party/WebKit/Source/platform/heap/HeapTest.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 467 matching lines @@
 int IntWrapper::s_destructorCalls = 0;
 int OffHeapInt::s_destructorCalls = 0;
 
 class ThreadedTesterBase {
  protected:
   static void test(ThreadedTesterBase* tester) {
     Vector<std::unique_ptr<WebThread>, numberOfThreads> m_threads;
     for (int i = 0; i < numberOfThreads; i++) {
       m_threads.append(wrapUnique(
           Platform::current()->createThread("blink gc testing thread")));
-      m_threads.last()->getWebTaskRunner()->postTask(
+      m_threads.back()->getWebTaskRunner()->postTask(
           BLINK_FROM_HERE,
           crossThreadBind(threadFunc, crossThreadUnretained(tester)));
     }
     while (tester->m_threadsToFinish) {
       SafePointScope scope(BlinkGC::NoHeapPointersOnStack);
       testing::yieldCurrentThread();
     }
     delete tester;
   }
 
@@ skipping 6308 matching lines @@
       "HeapVector");
   static_assert(
       WTF::IsGarbageCollectedType<HeapDeque<Member<IntWrapper>>>::value,
       "HeapDeque");
   static_assert(WTF::IsGarbageCollectedType<
                     HeapTerminatedArray<Member<IntWrapper>>>::value,
                 "HeapTerminatedArray");
 }
 
 }  // namespace blink