Migrate WTF::Vector::append() to ::push_back() [part 12 of N]

third_party/WebKit/Source/core/xml/XPathFunctionsTest.cpp

Index: third_party/WebKit/Source/core/xml/XPathFunctionsTest.cpp
diff --git a/third_party/WebKit/Source/core/xml/XPathFunctionsTest.cpp b/third_party/WebKit/Source/core/xml/XPathFunctionsTest.cpp
index 18b6e888628fb1c6533b9ebaa90e96a8bc0a092a..ef59c278ee736733b35a685ca94b6d7446514c2f 100644
--- a/third_party/WebKit/Source/core/xml/XPathFunctionsTest.cpp
+++ b/third_party/WebKit/Source/core/xml/XPathFunctionsTest.cpp
@@ -44,16 +44,16 @@ static String substring(XPathArguments& args) {
 
 static String substring(const char* string, double pos) {
   XPathArguments args;
-  args.append(new XPath::StringExpression(string));
-  args.append(new XPath::Number(pos));
+  args.push_back(new XPath::StringExpression(string));
+  args.push_back(new XPath::Number(pos));
   return substring(args);
 }
 
 static String substring(const char* string, double pos, double len) {
   XPathArguments args;
-  args.append(new XPath::StringExpression(string));
-  args.append(new XPath::Number(pos));
-  args.append(new XPath::Number(len));
+  args.push_back(new XPath::StringExpression(string));
+  args.push_back(new XPath::Number(pos));
+  args.push_back(new XPath::Number(len));
   return substring(args);
 }