Fix out-of-memory crashes related to ArrayBuffer allocation

third_party/WebKit/Source/wtf/TypedArrayBase.h

 /*
  * Copyright (C) 2010 Apple Inc. All rights reserved.
  * Copyright (c) 2010, 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 55 matching lines @@
     }
 
 protected:
     TypedArrayBase(PassRefPtr<ArrayBuffer> buffer, unsigned byteOffset, unsigned length)
         : ArrayBufferView(buffer, byteOffset)
         , m_length(length)
     {
     }
 
     template <class Subclass>
-    static PassRefPtr<Subclass> create(unsigned length)
+    static PassRefPtr<Subclass> createOrNull(unsigned length)
     {
-        RefPtr<ArrayBuffer> buffer = ArrayBuffer::create(length, sizeof(T));
+        RefPtr<ArrayBuffer> buffer = ArrayBuffer::createOrNull(length, sizeof(T));
+        if (!buffer)
+            return nullptr;
         return create<Subclass>(buffer.release(), 0, length);
     }
 
     template <class Subclass>
-    static PassRefPtr<Subclass> create(const T* array, unsigned length)
+    static PassRefPtr<Subclass> createOrNull(const T* array, unsigned length)
     {
-        RefPtr<Subclass> a = create<Subclass>(length);
+        RefPtr<Subclass> a = createOrNull<Subclass>(length);
         if (a)
             for (unsigned i = 0; i < length; ++i)
                 a->set(i, array[i]);
         return a;
     }
 
     template <class Subclass>
+    static PassRefPtr<Subclass> deprecatedCreateOrCrash(unsigned length)
+    {
+        RefPtr<ArrayBuffer> buffer = ArrayBuffer::deprecatedCreateOrCrash(length, sizeof(T));
+        if (!buffer)
+            return nullptr;
+        return create<Subclass>(buffer.release(), 0, length);
+    }
+
+    template <class Subclass>
+    static PassRefPtr<Subclass> deprecatedCreateOrCrash(const T* array, unsigned length)
+    {
+        RefPtr<Subclass> a = deprecatedCreateOrCrash<Subclass>(length);
+        if (a)
+            for (unsigned i = 0; i < length; ++i)
+                a->set(i, array[i]);
+        return a;
+    }
+
+    template <class Subclass>
     static PassRefPtr<Subclass> create(PassRefPtr<ArrayBuffer> buffer, unsigned byteOffset, unsigned length)
     {
         RefPtr<ArrayBuffer> buf(buffer);
         RELEASE_ASSERT(verifySubRange<T>(buf, byteOffset, length));
         return adoptRef(new Subclass(buf.release(), byteOffset, length));
     }
 
-    template <class Subclass>
-    static PassRefPtr<Subclass> createOrNull(unsigned length)
-    {
-        RefPtr<ArrayBuffer> buffer = ArrayBuffer::createOrNull(length, sizeof(T));
-        if (!buffer)
-            return nullptr;
-        return create<Subclass>(buffer.release(), 0, length);
-    }
-
     void neuter() final
     {
         ArrayBufferView::neuter();
         m_length = 0;
     }
 
     // We do not want to have to access this via a virtual function in subclasses,
     // which is why it is protected rather than private.
     unsigned m_length;
 };
 
 } // namespace WTF
 
 using WTF::TypedArrayBase;
 
 #endif // TypedArrayBase_h