Merge experimental/gc branch to the bleeding_edge.

src/extensions/gc-extension.cc

Index: src/extensions/gc-extension.cc
===================================================================
--- src/extensions/gc-extension.cc	(revision 9327)
+++ src/extensions/gc-extension.cc	(working copy)
@@ -40,12 +40,7 @@
 
 
 v8::Handle<v8::Value> GCExtension::GC(const v8::Arguments& args) {
-  bool compact = false;
-  // All allocation spaces other than NEW_SPACE have the same effect.
-  if (args.Length() >= 1 && args[0]->IsBoolean()) {
-    compact = args[0]->BooleanValue();
-  }
-  HEAP->CollectAllGarbage(compact);
+  HEAP->CollectAllGarbage(Heap::kNoGCFlags);
   return v8::Undefined();
 }