Remove unused include.

src/core/SkQuadTree.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkQuadTree.h"
 #include "SkTSort.h"
 #include <stdio.h>
-#include <vector>
 
 static const int kSplitThreshold = 8;
 
 enum {
     kTopLeft,
     kTopRight,
     kBottomLeft,
     kBottomRight,
 };
 enum {
@@ skipping 187 matching lines @@
 
 void SkQuadTree::flushDeferredInserts() {
     if (NULL == fRoot) {
         fRoot = fNodePool.acquire();
         fRoot->fBounds = fRootBounds;
     }
     while(!fDeferred.isEmpty()) {
         this->insert(fRoot, fDeferred.pop());
     }
 }