Fix overly-strict parameter checking of _getCallSiteData.

runtime/observatory/lib/src/elements/script_inset.dart

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library script_inset_element;
 
 import 'dart:async';
 import 'dart:html';
 import 'observatory_element.dart';
 import 'service_ref.dart';
@@ skipping 275 matching lines @@
       tooltip += "\nNot inlinable!";
     }
     if (function.deoptimizations > 0) {
       tooltip += "\nDeoptimized ${function.deoptimizations} times!";
     }
     element.title = tooltip;
 
     if (function.isOptimizable == false ||
         function.isInlinable == false ||
         function.deoptimizations >0) {
-      element.style.backgroundColor = "red";
+      element.style.backgroundColor = "#EEA7A7";  // Low-saturation red.
     }
 
     addLink(element, url);
   }
 }
 
 /// Box with script source code in it.
 @CustomTag('script-inset')
 class ScriptInsetElement extends ObservatoryElement {
   @published Script script;
@@ skipping 592 matching lines @@
 class SourceInsetElement extends PolymerElement {
   SourceInsetElement.created() : super.created();
 
   @published SourceLocation location;
   @published String height = null;
   @published int currentPos;
   @published bool inDebuggerContext = false;
   @published ObservableList variables;
 }