Make accessors for oddball objects return Oddball* instead of Object*.

src/debug.cc

Index: src/debug.cc
===================================================================
--- src/debug.cc	(revision 9511)
+++ src/debug.cc	(working copy)
@@ -2156,10 +2156,10 @@
   Factory* factory = isolate_->factory();
   // Create the new exception event object.
   const int argc = 3;
-  Object** argv[argc] = { exec_state.location(),
-                          exception.location(),
-                          uncaught ? factory->true_value().location() :
-                                     factory->false_value().location()};
+  Object** argv[argc] =
+    { exec_state.location(),
+      exception.location(),
+      factory->ToBoolean(uncaught).location() };
   return MakeJSObject(CStrVector("MakeExceptionEvent"),
                       argc, argv, caught_exception);
 }
@@ -2183,10 +2183,10 @@
   Handle<Object> exec_state = MakeExecutionState(caught_exception);
   Handle<Object> script_wrapper = GetScriptWrapper(script);
   const int argc = 3;
-  Object** argv[argc] = { exec_state.location(),
-                          script_wrapper.location(),
-                          before ? factory->true_value().location() :
-                                   factory->false_value().location() };
+  Object** argv[argc] =
+    { exec_state.location(),
+      script_wrapper.location(),
+      factory->ToBoolean(before).location() };
 
   return MakeJSObject(CStrVector("MakeCompileEvent"),
                       argc,