Remove ArrayBufferDeallocationObserver

Source/wtf/ArrayBufferDeallocationObserver.h

Index: Source/wtf/ArrayBufferDeallocationObserver.h
diff --git a/Source/wtf/ArrayBufferDeallocationObserver.h b/Source/wtf/ArrayBufferDeallocationObserver.h
deleted file mode 100644
index 60bf22bc1dad52a8bdfcae9911215d29fe21e778..0000000000000000000000000000000000000000
--- a/Source/wtf/ArrayBufferDeallocationObserver.h
+++ /dev/null
@@ -1,50 +0,0 @@
-/*
- * Copyright (C) 2009 Apple Inc. All rights reserved.
- * Copyright (C) 2013 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
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef ArrayBufferDeallocationObserver_h
-#define ArrayBufferDeallocationObserver_h
-
-namespace WTF {
-
-class ArrayBufferContents;
-
-// The current implementation assumes that the instance of this class is a
-// singleton living for the entire process's lifetime.
-class ArrayBufferDeallocationObserver {
-public:
-    virtual void arrayBufferDeallocated(unsigned sizeInBytes) = 0;
-
-protected:
-    // Called when Blink-allocated ArrayBuffer becomes available to JavaScript.
-    // Not called for JavaScript-allocated ArrayBuffers.
-    virtual void blinkAllocatedMemory(unsigned sizeInBytes) = 0;
-
-    friend class ArrayBufferContents;
-};
-
-} // namespace WTF
-
-#endif // ArrayBufferDeallocationObserver_h