Use C++11 range-based loop for core/xml and core/loader

Source/core/xml/XSLTProcessorLibxslt.cpp

Index: Source/core/xml/XSLTProcessorLibxslt.cpp
diff --git a/Source/core/xml/XSLTProcessorLibxslt.cpp b/Source/core/xml/XSLTProcessorLibxslt.cpp
index a2ee29434a3cd926d346d49621db6652f699a372..b62b7c3fb161b0dd14163578fa137d770e7ebf40 100644
--- a/Source/core/xml/XSLTProcessorLibxslt.cpp
+++ b/Source/core/xml/XSLTProcessorLibxslt.cpp
@@ -194,11 +194,10 @@ static const char** xsltParamArrayFromParameterMap(XSLTProcessor::ParameterMap&
 
     const char** parameterArray = static_cast<const char**>(fastMalloc(((parameters.size() * 2) + 1) * sizeof(char*)));
 
-    XSLTProcessor::ParameterMap::iterator end = parameters.end();
     unsigned index = 0;
-    for (XSLTProcessor::ParameterMap::iterator it = parameters.begin(); it != end; ++it) {
-        parameterArray[index++] = fastStrDup(it->key.utf8().data());
-        parameterArray[index++] = fastStrDup(it->value.utf8().data());
+    for (auto& parameter : parameters) {
+        parameterArray[index++] = fastStrDup(parameter.key.utf8().data());
+        parameterArray[index++] = fastStrDup(parameter.value.utf8().data());
     }
     parameterArray[index] = 0;