Migrate WTF::Vector::append() to ::push_back() [part 1 of N]

third_party/WebKit/Source/bindings/core/v8/DictionaryHelperForCore.cpp

Index: third_party/WebKit/Source/bindings/core/v8/DictionaryHelperForCore.cpp
diff --git a/third_party/WebKit/Source/bindings/core/v8/DictionaryHelperForCore.cpp b/third_party/WebKit/Source/bindings/core/v8/DictionaryHelperForCore.cpp
index 8ef90f614f83e10ee9adb02487824fc6924b4e68..0a60f975f2533c68861550340788ef2aa34734e5 100644
--- a/third_party/WebKit/Source/bindings/core/v8/DictionaryHelperForCore.cpp
+++ b/third_party/WebKit/Source/bindings/core/v8/DictionaryHelperForCore.cpp
@@ -276,7 +276,7 @@ CORE_EXPORT bool DictionaryHelper::get(const Dictionary& dictionary,
              .ToLocal(&indexedValue))
       return false;
     TOSTRING_DEFAULT(V8StringResource<>, stringValue, indexedValue, false);
-    value.append(stringValue);
+    value.push_back(stringValue);
   }
 
   return true;
@@ -306,7 +306,7 @@ CORE_EXPORT bool DictionaryHelper::get(const Dictionary& dictionary,
         v8IndexedValue, i, dictionary.isolate(), exceptionState);
     if (exceptionState.hadException())
       return false;
-    value.append(indexedValue);
+    value.push_back(indexedValue);
   }
 
   return true;