[Isolates] Moved more compilation-related globals (builtins, runtime, &c.)...

src/assembler.cc

Index: src/assembler.cc
===================================================================
--- src/assembler.cc	(revision 4955)
+++ src/assembler.cc	(working copy)
@@ -541,14 +541,14 @@
 
 
 ExternalReference::ExternalReference(Builtins::Name name)
-  : address_(Builtins::builtin_address(name)) {}
+  : address_(Isolate::Current()->builtins()->builtin_address(name)) {}
 
 
 ExternalReference::ExternalReference(Runtime::FunctionId id)
   : address_(Redirect(Runtime::FunctionForId(id)->entry)) {}
 
 
-ExternalReference::ExternalReference(Runtime::Function* f)
+ExternalReference::ExternalReference(const Runtime::Function* f)
   : address_(Redirect(f->entry)) {}
 
 
@@ -790,9 +790,6 @@
 }
 
 
-ExternalReferenceRedirector* ExternalReference::redirector_ = NULL;
-
-
 #ifdef ENABLE_DEBUGGER_SUPPORT
 ExternalReference ExternalReference::debug_break() {
   return ExternalReference(Redirect(FUNCTION_ADDR(Debug::Break)));