Outline ContentSecurityPolicy::document()

Source/core/workers/DedicatedWorkerGlobalScope.cpp

Index: Source/core/workers/DedicatedWorkerGlobalScope.cpp
diff --git a/Source/core/workers/DedicatedWorkerGlobalScope.cpp b/Source/core/workers/DedicatedWorkerGlobalScope.cpp
index f52576759c4a222cdb176e7bac7a47f7835180fa..e05fadef95149947083acd8287255b16527cc115 100644
--- a/Source/core/workers/DedicatedWorkerGlobalScope.cpp
+++ b/Source/core/workers/DedicatedWorkerGlobalScope.cpp
@@ -97,10 +97,11 @@ private:
 
     virtual void performTask(ExecutionContext* context) OVERRIDE
     {
+        ASSERT(context->isDocument());
         if (m_isDeprecation)
-            UseCounter::countDeprecation(*toDocument(context), m_feature);
+            UseCounter::countDeprecation(context, m_feature);
         else
-            UseCounter::count(*toDocument(context), m_feature);
+            UseCounter::count(context, m_feature);
     }
 
     UseCounter::Feature m_feature;