bindings: Adds DOMArrayBuffer, etc. as thin wrappers for ArrayBuffer, etc.

Source/wtf/ArrayBuffer.h

Index: Source/wtf/ArrayBuffer.h
diff --git a/Source/wtf/ArrayBuffer.h b/Source/wtf/ArrayBuffer.h
index e2e1745b097c77b523b874ecda4ac51e758034f9..b91070d03a2701d6ae543450b85cb218e995dfe8 100644
--- a/Source/wtf/ArrayBuffer.h
+++ b/Source/wtf/ArrayBuffer.h
@@ -66,10 +66,12 @@ public:
 
     ~ArrayBuffer() { }
 
+protected:
+    inline explicit ArrayBuffer(ArrayBufferContents&);
+
 private:
     static inline PassRefPtr<ArrayBuffer> create(unsigned numElements, unsigned elementByteSize, ArrayBufferContents::InitializationPolicy);
 
-    inline ArrayBuffer(ArrayBufferContents&);
     inline PassRefPtr<ArrayBuffer> sliceImpl(unsigned begin, unsigned end) const;
     inline unsigned clampIndex(int index) const;
     static inline int clampValue(int x, int left, int right);