Adding allocator annotations to blink classes and structs.

Source/core/layout/shapes/Shape.h

 /*
  * Copyright (C) 2012 Adobe Systems Incorporated. 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.
@@ skipping 50 matching lines @@
     float logicalRight;
     bool isValid;
 };
 
 // A representation of a BasicShape that enables layout code to determine how to break a line up into segments
 // that will fit within or around a shape. The line is defined by a pair of logical Y coordinates and the
 // computed segments are returned as pairs of logical X coordinates. The BasicShape itself is defined in
 // physical coordinates.
 
 class CORE_EXPORT Shape {
+    WTF_MAKE_FAST_ALLOCATED(Shape);
 public:
     struct DisplayPaths {
         Path shape;
         Path marginShape;
+        STACK_ALLOCATED();
     };
     static PassOwnPtr<Shape> createShape(const BasicShape*, const LayoutSize& logicalBoxSize, WritingMode, float margin);
     static PassOwnPtr<Shape> createRasterShape(Image*, float threshold, const LayoutRect& imageRect, const LayoutRect& marginRect, WritingMode, float margin);
     static PassOwnPtr<Shape> createEmptyRasterShape(WritingMode, float margin);
     static PassOwnPtr<Shape> createLayoutBoxShape(const FloatRoundedRect&, WritingMode, float margin);
 
     virtual ~Shape() { }
 
     virtual LayoutRect shapeMarginLogicalBoundingBox() const = 0;
     virtual bool isEmpty() const = 0;
@@ skipping 13 matching lines @@
         return (lineTop < rect.maxY() && lineTop + lineHeight > rect.y()) || (!lineHeight && lineTop == rect.y());
     }
 
     WritingMode m_writingMode;
     float m_margin;
 };
 
 } // namespace blink
 
 #endif // Shape_h