CSP: Move policy parsing out of Document.

Source/bindings/core/v8/WindowProxy.cpp

 /*
  * Copyright (C) 2008, 2009, 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 199 matching lines @@
         disposeContext(DoNotDetachGlobal);
         return false;
     }
 
     if (m_world->isMainWorld()) {
         // ActivityLogger for main world is updated within updateDocument().
         updateDocument();
         if (m_frame->document()) {
             setSecurityToken(m_frame->document()->securityOrigin());
             ContentSecurityPolicy* csp = m_frame->document()->contentSecurityPolicy();
-            context->AllowCodeGenerationFromStrings(csp->allowEval(0, ContentSecurityPolicy::SuppressReport));
-            context->SetErrorMessageForCodeGenerationFromStrings(v8String(m_isolate, csp->evalDisabledErrorMessage()));
+            if (csp) {
+                context->AllowCodeGenerationFromStrings(csp->allowEval(0, ContentSecurityPolicy::SuppressReport));
+                context->SetErrorMessageForCodeGenerationFromStrings(v8String(m_isolate, csp->evalDisabledErrorMessage()));
+            }
         }
     } else {
         updateActivityLogger();
         SecurityOrigin* origin = m_world->isolatedWorldSecurityOrigin();
         setSecurityToken(origin);
         if (origin && InspectorInstrumentation::hasFrontends()) {
             InspectorInstrumentation::didCreateIsolatedContext(m_frame, m_scriptState.get(), origin);
         }
     }
     m_frame->loader().client()->didCreateScriptContext(context, m_world->extensionGroup(), m_world->worldId());
@@ skipping 252 matching lines @@
 
 void WindowProxy::updateSecurityOrigin(SecurityOrigin* origin)
 {
     ASSERT(m_world->isMainWorld());
     if (!isContextInitialized())
         return;
     setSecurityToken(origin);
 }
 
 } // namespace blink