Removed unbalanced brackets when printing an LEnvironment.

Review URL: https://codereview.chromium.org/14286005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14402 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/lithium.cc

@@ -177,8 +177,8 @@ void LEnvironment::PrintTo(StringStream* stream) {
   if (deoptimization_index() != Safepoint::kNoDeoptimizationIndex) {
     stream->Add("deopt_id=%d|", deoptimization_index());
   }
-  stream->Add("[parameters=%d|", parameter_count());
-  stream->Add("[arguments_stack_height=%d|", arguments_stack_height());
+  stream->Add("parameters=%d|", parameter_count());
+  stream->Add("arguments_stack_height=%d|", arguments_stack_height());
   for (int i = 0; i < values_.length(); ++i) {
     if (i != 0) stream->Add(";");
     if (values_[i] == NULL) {