FYI: Compile fixes when always using a local for method return value

Source/core/testing/Internals.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  * Copyright (C) 2013 Apple 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 1226 matching lines @@
     SpellCheckRequester* requester = spellCheckRequester(document);
 
     if (!requester) {
         exceptionState.throwDOMException(InvalidAccessError, "No spell check requestor can be obtained for the provided document.");
         return -1;
     }
 
     return requester->lastProcessedSequence();
 }
 
-Vector<AtomicString> Internals::userPreferredLanguages() const
+Vector<String> Internals::userPreferredLanguages() const
 {
-    return WebCore::userPreferredLanguages();
+    Vector<String> result;
+    result.appendVector(WebCore::userPreferredLanguages());
+    return result;
 }
 
 // Optimally, the bindings generator would pass a Vector<AtomicString> here but
 // this is not supported yet.
 void Internals::setUserPreferredLanguages(const Vector<String>& languages)
 {
     Vector<AtomicString> atomicLanguages;
     for (size_t i = 0; i < languages.size(); ++i)
         atomicLanguages.append(AtomicString(languages[i]));
     WebCore::overrideUserPreferredLanguages(atomicLanguages);
@@ skipping 322 matching lines @@
     InspectorConsoleAgent* consoleAgent = instrumentingAgents->inspectorConsoleAgent();
     if (!consoleAgent)
         return Vector<String>();
     Vector<unsigned> counts = consoleAgent->consoleMessageArgumentCounts();
     Vector<String> result(counts.size());
     for (size_t i = 0; i < counts.size(); i++)
         result[i] = String::number(counts[i]);
     return result;
 }
 
-Vector<unsigned long> Internals::setMemoryCacheCapacities(unsigned long minDeadBytes, unsigned long maxDeadBytes, unsigned long totalBytes)
+Vector<unsigned> Internals::setMemoryCacheCapacities(unsigned long minDeadBytes, unsigned long maxDeadBytes, unsigned long totalBytes)
 {
-    Vector<unsigned long> result;
+    Vector<unsigned> result;
     result.append(memoryCache()->minDeadCapacity());
     result.append(memoryCache()->maxDeadCapacity());
     result.append(memoryCache()->capacity());
     memoryCache()->setCapacities(minDeadBytes, maxDeadBytes, totalBytes);
     return result;
 }
 
 void Internals::setInspectorResourcesDataSizeLimits(int maximumResourcesContentSize, int maximumSingleResourceContentSize, ExceptionState& exceptionState)
 {
     Page* page = contextDocument()->frame()->page();
@@ skipping 748 matching lines @@
     }
     networkStateNotifier().setWebConnectionTypeForTest(webtype);
 }
 
 unsigned Internals::countHitRegions(CanvasRenderingContext2D* context)
 {
     return context->hitRegionsCount();
 }
 
 } // namespace WebCore