Add CSP header for resources with an active policy

Source/core/fetch/ResourceFetcherTest.cpp

 /*
  * Copyright (c) 2013, 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 221 matching lines @@
         documentLoader = DocumentLoader::create(&dummyPageHolder->frame(), ResourceRequest("http://www.example.com"), SubstituteData());
         document = toHTMLDocument(&dummyPageHolder->document());
         fetcher = documentLoader->fetcher();
         static_cast<FrameFetchContext&>(fetcher->context()).setDocument(document.get());
     }
 
     void expectHeader(const char* input, const char* headerName, bool isPresent, const char* headerValue)
     {
         KURL inputURL(ParsedURLString, input);
         FetchRequest fetchRequest = FetchRequest(ResourceRequest(inputURL), FetchInitiatorInfo());
-        fetcher->addClientHintsIfNeccessary(fetchRequest);
+        fetcher->addClientHintsIfNecessary(fetchRequest);
 
         EXPECT_STREQ(isPresent ? headerValue : "",
             fetchRequest.resourceRequest().httpHeaderField(headerName).utf8().data());
     }
 
     OwnPtr<DummyPageHolder> dummyPageHolder;
     // We don't use the DocumentLoader directly in any tests, but need to keep it around as long
     // as the ResourceFetcher and Document live due to indirect usage.
     RefPtr<DocumentLoader> documentLoader;
     RefPtrWillBePersistent<Document> document;
@@ skipping 26 matching lines @@
     expectHeader("http://www.example.com/1.gif", "DPR", false, "");
     expectHeader("http://www.example.com/1.gif", "RW", false, "");
 
     dummyPageHolder->frame().setShouldSendDPRHint();
     dummyPageHolder->frame().setShouldSendRWHint();
     expectHeader("http://www.example.com/1.gif", "DPR", true, "1");
     expectHeader("http://www.example.com/1.gif", "RW", true, "500");
 }
 
 } // namespace