Fix out-of-memory crashes related to ArrayBuffer allocation

third_party/WebKit/Source/wtf/Float64Array.h

 /*
  * Copyright (C) 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2011 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 16 matching lines @@
 #ifndef Float64Array_h
 #define Float64Array_h
 
 #include "wtf/MathExtras.h"
 #include "wtf/TypedArrayBase.h"
 
 namespace WTF {
 
 class Float64Array final : public TypedArrayBase<double> {
 public:
-    static inline PassRefPtr<Float64Array> create(unsigned length);
-    static inline PassRefPtr<Float64Array> create(const double* array, unsigned length);
+    static inline PassRefPtr<Float64Array> createOrNull(unsigned length);
+    static inline PassRefPtr<Float64Array> createOrNull(const double* array, unsigned length);
+    static inline PassRefPtr<Float64Array> deprecatedCreateOrCrash(const double* array, unsigned length);
     static inline PassRefPtr<Float64Array> create(PassRefPtr<ArrayBuffer>, unsigned byteOffset, unsigned length);
 
-    // Should only be used when it is known the entire array will be filled. Do
-    // not return these results directly to JavaScript without filling first.
-    static inline PassRefPtr<Float64Array> createUninitialized(unsigned length);
-
     using TypedArrayBase<double>::set;
 
     void set(unsigned index, double value)
     {
         if (index >= TypedArrayBase<double>::m_length)
             return;
         TypedArrayBase<double>::data()[index] = static_cast<double>(value);
     }
 
     ViewType type() const override
     {
         return TypeFloat64;
     }
 
 private:
     inline Float64Array(PassRefPtr<ArrayBuffer>, unsigned byteOffset, unsigned length);
     // Make constructor visible to superclass.
     friend class TypedArrayBase<double>;
 };
 
-PassRefPtr<Float64Array> Float64Array::create(unsigned length)
+PassRefPtr<Float64Array> Float64Array::createOrNull(unsigned length)
 {
-    return TypedArrayBase<double>::create<Float64Array>(length);
+    return TypedArrayBase<double>::createOrNull<Float64Array>(length);
 }
 
-PassRefPtr<Float64Array> Float64Array::create(const double* array, unsigned length)
+PassRefPtr<Float64Array> Float64Array::createOrNull(const double* array, unsigned length)
 {
-    return TypedArrayBase<double>::create<Float64Array>(array, length);
+    return TypedArrayBase<double>::createOrNull<Float64Array>(array, length);
+}
+
+PassRefPtr<Float64Array> Float64Array::deprecatedCreateOrCrash(const double* array, unsigned length)
+{
+    return TypedArrayBase<double>::deprecatedCreateOrCrash<Float64Array>(array, length);
 }
 
 PassRefPtr<Float64Array> Float64Array::create(PassRefPtr<ArrayBuffer> buffer, unsigned byteOffset, unsigned length)
 {
     return TypedArrayBase<double>::create<Float64Array>(buffer, byteOffset, length);
 }
 
 Float64Array::Float64Array(PassRefPtr<ArrayBuffer> buffer, unsigned byteOffset, unsigned length)
     : TypedArrayBase<double>(buffer, byteOffset, length)
 {
 }
 
 } // namespace WTF
 
 using WTF::Float64Array;
 
 #endif // Float64Array_h