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

Source/core/testing/Internals.cpp

Index: Source/core/testing/Internals.cpp
diff --git a/Source/core/testing/Internals.cpp b/Source/core/testing/Internals.cpp
index 70af4c97bceadd7a32dffc764518b28a724d889e..dcd7d62af47914bc9de8be1e9b1edbb962a5cde7 100644
--- a/Source/core/testing/Internals.cpp
+++ b/Source/core/testing/Internals.cpp
@@ -1244,9 +1244,11 @@ int Internals::lastSpellCheckProcessedSequence(Document* document, ExceptionStat
     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
@@ -1589,9 +1591,9 @@ Vector<String> Internals::consoleMessageArgumentCounts(Document* document) const
     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());