Fix library name display in devtools

Source/devtools/front_end/components/ExecutionContextModel.js

Index: Source/devtools/front_end/components/ExecutionContextModel.js
diff --git a/Source/devtools/front_end/components/ExecutionContextModel.js b/Source/devtools/front_end/components/ExecutionContextModel.js
index 95a55893fff06e4d96957ca16999fc01025d86f6..dedee3dd966344e760edea5b82890ba9125c314a 100644
--- a/Source/devtools/front_end/components/ExecutionContextModel.js
+++ b/Source/devtools/front_end/components/ExecutionContextModel.js
@@ -32,6 +32,12 @@ WebInspector.ExecutionContextModel.prototype = {
     _titleFor: function(executionContext)
     {
         var result;
+        // Start Dart specific code.
+        if (executionContext.language == "Dart") {
+            return executionContext.name;
+        }
+        // End Dart specific code.
+
         if (executionContext.isMainWorldContext) {
             if (executionContext.frameId) {
                 var frame = executionContext.target().resourceTreeModel.frameForId(executionContext.frameId);