wtf/Vector.h included more than necessary

Source/platform/PODArenaTest.cpp

 /*
  * Copyright (C) 2010 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 11 matching lines @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 #include "platform/PODArena.h"
 
 #include "platform/testing/ArenaTestHelpers.h"
 #include "wtf/FastMalloc.h"
 #include "wtf/RefPtr.h"
-#include "wtf/Vector.h"
 
 #include <algorithm>
 #include <gtest/gtest.h>
 
 namespace blink {
 
 using ArenaTestHelpers::TrackedAllocator;
 
 namespace {
 
@@ skipping 54 matching lines @@
         EXPECT_EQ(1, tc1->w);
         TestClass2* tc2 = arena->allocateObject<TestClass2>();
         EXPECT_EQ(1, tc2->a);
         EXPECT_EQ(2, tc2->b);
         EXPECT_EQ(3, tc2->c);
         EXPECT_EQ(4, tc2->d);
     }
 }
 
 } // namespace blink