Various extension-related cleanup and simplifications.

src/extensions/free-buffer-extension.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * 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
@@ skipping 29 matching lines @@
 }
 
 
 void FreeBufferExtension::FreeBuffer(
     const v8::FunctionCallbackInfo<v8::Value>& args) {
   v8::Handle<v8::ArrayBuffer> arrayBuffer = args[0].As<v8::ArrayBuffer>();
   v8::ArrayBuffer::Contents contents = arrayBuffer->Externalize();
   V8::ArrayBufferAllocator()->Free(contents.Data(), contents.ByteLength());
 }
 
-
-void FreeBufferExtension::Register() {
-  static char buffer[100];
-  Vector<char> temp_vector(buffer, sizeof(buffer));
-  OS::SNPrintF(temp_vector, "native function freeBuffer();");
-
-  static FreeBufferExtension buffer_free_extension(buffer);
-  static v8::DeclareExtension declaration(&buffer_free_extension);
-}
-
 } }  // namespace v8::internal