Make ClassFinalizer indifferent on whether we are generating a snapshot or not.

runtime/vm/compiler.cc

Index: runtime/vm/compiler.cc
===================================================================
--- runtime/vm/compiler.cc	(revision 11113)
+++ runtime/vm/compiler.cc	(working copy)
@@ -72,7 +72,9 @@
 }
 
 
-RawError* Compiler::Compile(const Library& library, const Script& script) {
+RawError* Compiler::Compile(const Library& library,
+                            const Script& script,
+                            bool generating_snapshot) {
   Isolate* isolate = Isolate::Current();
   LongJump* base = isolate->long_jump_base();
   LongJump jump;
@@ -86,7 +88,7 @@
     }
     const String& library_key = String::Handle(library.private_key());
     script.Tokenize(library_key);
-    Parser::ParseCompilationUnit(library, script);
+    Parser::ParseCompilationUnit(library, script, generating_snapshot);
     isolate->set_long_jump_base(base);
     return Error::null();
   } else {