Fix devtools bugs Fix a spurious layout test failure

Source/bindings/core/dart/DartInspectorRuntimeAgent.cpp

Index: Source/bindings/core/dart/DartInspectorRuntimeAgent.cpp
diff --git a/Source/bindings/core/dart/DartInspectorRuntimeAgent.cpp b/Source/bindings/core/dart/DartInspectorRuntimeAgent.cpp
index c94c74c8fc79a452eb79eb652b46da57473ce480..c5d4d9de019c906dd10d5f97b08eb1577a9dce75 100644
--- a/Source/bindings/core/dart/DartInspectorRuntimeAgent.cpp
+++ b/Source/bindings/core/dart/DartInspectorRuntimeAgent.cpp
@@ -4,6 +4,7 @@
 #include "bindings/core/v8/ScriptState.h"
 #include "bindings/core/dart/DartInjectedScript.h"
 #include "bindings/core/dart/DartInjectedScriptManager.h"
+#include "bindings/core/dart/DartScriptState.h"
 #include "bindings/core/dart/DartScriptDebugServer.h"
 #include "core/inspector/InjectedScript.h"
 #include "core/inspector/InspectorState.h"
@@ -150,9 +151,9 @@ void DartInspectorRuntimeAgent::releaseObjectGroup(ErrorString*, const String& o
     m_injectedScriptManager->releaseObjectGroup(objectGroup);
 }
 
-int DartInspectorRuntimeAgent::addExecutionContextToFrontendHelper(DartScriptState* scriptState, bool isPageContext, const String& name, const String& frameId)
+void DartInspectorRuntimeAgent::addExecutionContextToFrontendHelper(DartScriptState* scriptState, bool isPageContext, const String& name, const String& frameId)
 {
-    return m_injectedScriptManager->injectedScriptIdFor(scriptState);
+    m_inspectorRuntimeAgent->addExecutionContextToFrontendDart(m_injectedScriptManager->injectedScriptIdFor(scriptState), "", "", name,  frameId, "Dart", scriptState->libraryId());
 }
 
 } // namespace blink