Replace CFX_RectArray with std::vector<CFX_FloatRect>

core/fxcrt/include/fx_coordinates.h

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #ifndef CORE_FXCRT_INCLUDE_FX_COORDINATES_H_
 #define CORE_FXCRT_INCLUDE_FX_COORDINATES_H_
 
 #include "core/fxcrt/include/fx_basic.h"
@@ skipping 292 matching lines @@
   FX_RECT ToFxRect() const {
     return FX_RECT(static_cast<int32_t>(left), static_cast<int32_t>(top),
                    static_cast<int32_t>(right), static_cast<int32_t>(bottom));
   }
 
   FX_FLOAT left;
   FX_FLOAT bottom;
   FX_FLOAT right;
   FX_FLOAT top;
 };
-using CFX_RectArray = CFX_ArrayTemplate<CFX_FloatRect>;
 
 // LTWH rectangles (y-axis runs downwards).
 template <class baseType>
 class CFX_RTemplate {
  public:
   typedef CFX_PSTemplate<baseType> FXT_POINT;
   typedef CFX_PSTemplate<baseType> FXT_SIZE;
   typedef CFX_VTemplate<baseType> FXT_VECTOR;
   typedef CFX_RTemplate<baseType> FXT_RECT;
   void Set(baseType left, baseType top, baseType width, baseType height) {
@@ skipping 339 matching lines @@
  public:
   FX_FLOAT a;
   FX_FLOAT b;
   FX_FLOAT c;
   FX_FLOAT d;
   FX_FLOAT e;
   FX_FLOAT f;
 };
 
 #endif  // CORE_FXCRT_INCLUDE_FX_COORDINATES_H_