Use C++11 range-based loop in core/fetch

Source/core/fetch/ResourceLoaderSet.cpp

 /*
  * Copyright (C) 2013 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 31 matching lines @@
 
 void ResourceLoaderSet::trace(Visitor* visitor)
 {
 #if ENABLE(OILPAN)
     visitor->trace(m_set);
 #endif
 }
 
 void ResourceLoaderSet::cancelAll()
 {
-    WillBeHeapVector<RefPtrWillBeMember<ResourceLoader> > loadersCopy;
+    WillBeHeapVector<RefPtrWillBeMember<ResourceLoader>> loadersCopy;
     copyToVector(m_set, loadersCopy);
-    size_t size = loadersCopy.size();
-    for (size_t i = 0; i < size; ++i)
-        loadersCopy[i]->cancel();
+    for (const auto& loader : loadersCopy)
+        loader->cancel();
 }
 
 void ResourceLoaderSet::setAllDefersLoading(bool defers)
 {
-    WillBeHeapVector<RefPtrWillBeMember<ResourceLoader> > loadersCopy;
+    WillBeHeapVector<RefPtrWillBeMember<ResourceLoader>> loadersCopy;
     copyToVector(m_set, loadersCopy);
-    size_t size = loadersCopy.size();
-    for (size_t i = 0; i < size; ++i)
-        loadersCopy[i]->setDefersLoading(defers);
+    for (const auto& loader : loadersCopy)
+        loader->setDefersLoading(defers);
 }
 
 }