A collection of context-related refactoring changes.

src/factory.h

Index: src/factory.h
diff --git a/src/factory.h b/src/factory.h
index 55d1e9a174550ced4914035086a9eeec33540feb..b9bdfe46da124a68d2d6b37f05c3db5e5e48c4b5 100644
--- a/src/factory.h
+++ b/src/factory.h
@@ -1,4 +1,4 @@
-// Copyright 2010 the V8 project authors. All rights reserved.
+// Copyright 2011 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:
@@ -144,10 +144,13 @@ class Factory {
   Handle<Context> NewFunctionContext(int length,
                                      Handle<JSFunction> closure);
 
+  // Create a catch context.
+  Handle<Context> NewCatchContext(Handle<Context> previous,
+                                  Handle<JSObject> extension);
+
   // Create a 'with' context.
   Handle<Context> NewWithContext(Handle<Context> previous,
-                                 Handle<JSObject> extension,
-                                 bool is_catch_context);
+                                 Handle<JSObject> extension);
 
   // Return the Symbol matching the passed in string.
   Handle<String> SymbolFromString(Handle<String> value);