Reverted 3130-3131 since they don't work on mac.

src/assembler.h

Index: src/assembler.h
===================================================================
--- src/assembler.h	(revision 3132)
+++ src/assembler.h	(working copy)
@@ -373,8 +373,6 @@
  public:
   explicit ExternalReference(Builtins::CFunctionId id);
 
-  explicit ExternalReference(ApiFunction* ptr);
-
   explicit ExternalReference(Builtins::Name name);
 
   explicit ExternalReference(Runtime::FunctionId id);
@@ -424,12 +422,6 @@
   static ExternalReference double_fp_operation(Token::Value operation);
   static ExternalReference compare_doubles();
 
-  static ExternalReference handle_scope_extensions_address();
-  static ExternalReference handle_scope_next_address();
-  static ExternalReference handle_scope_limit_address();
-
-  static ExternalReference scheduled_exception_address();
-
   Address address() const {return reinterpret_cast<Address>(address_);}
 
 #ifdef ENABLE_DEBUGGER_SUPPORT