Various extension-related cleanup and simplifications.

src/extensions/gc-extension.cc

 // Copyright 2010 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 32 matching lines @@
   i::Isolate* isolate = reinterpret_cast<i::Isolate*>(args.GetIsolate());
   if (args[0]->BooleanValue()) {
     isolate->heap()->CollectGarbage(
         NEW_SPACE, "gc extension", v8::kGCCallbackFlagForced);
   } else {
     isolate->heap()->CollectAllGarbage(
         Heap::kNoGCFlags, "gc extension", v8::kGCCallbackFlagForced);
   }
 }
 
-
-void GCExtension::Register() {
-  static char buffer[50];
-  Vector<char> temp_vector(buffer, sizeof(buffer));
-  if (FLAG_expose_gc_as != NULL && strlen(FLAG_expose_gc_as) != 0) {
-    OS::SNPrintF(temp_vector, "native function %s();", FLAG_expose_gc_as);
-  } else {
-    OS::SNPrintF(temp_vector, "native function gc();");
-  }
-
-  static GCExtension gc_extension(buffer);
-  static v8::DeclareExtension declaration(&gc_extension);
-}
-
 } }  // namespace v8::internal