Use C++11 range-based loop for core/layout

Source/core/layout/svg/LayoutSVGResourceContainer.cpp

Index: Source/core/layout/svg/LayoutSVGResourceContainer.cpp
diff --git a/Source/core/layout/svg/LayoutSVGResourceContainer.cpp b/Source/core/layout/svg/LayoutSVGResourceContainer.cpp
index 49f9c02bc841d1c3b2d773d35c81165cbe7e0d74..27d011d378f9d148f1bf176f1c719ea9074f6ce5 100644
--- a/Source/core/layout/svg/LayoutSVGResourceContainer.cpp
+++ b/Source/core/layout/svg/LayoutSVGResourceContainer.cpp
@@ -110,9 +110,7 @@ void LayoutSVGResourceContainer::markAllClientsForInvalidation(InvalidationMode
     bool needsLayout = mode == LayoutAndBoundariesInvalidation;
     bool markForInvalidation = mode != ParentOnlyInvalidation;
 
-    HashSet<LayoutObject*>::iterator end = m_clients.end();
-    for (HashSet<LayoutObject*>::iterator it = m_clients.begin(); it != end; ++it) {
-        LayoutObject* client = *it;
+    for (auto* client : m_clients) {
         if (client->isSVGResourceContainer()) {
             toLayoutSVGResourceContainer(client)->removeAllClientsFromCache(markForInvalidation);
             continue;
@@ -131,9 +129,8 @@ void LayoutSVGResourceContainer::markAllClientsForInvalidation(InvalidationMode
 
 void LayoutSVGResourceContainer::markAllClientLayersForInvalidation()
 {
-    HashSet<DeprecatedPaintLayer*>::iterator layerEnd = m_clientLayers.end();
-    for (HashSet<DeprecatedPaintLayer*>::iterator it = m_clientLayers.begin(); it != layerEnd; ++it)
-        (*it)->filterNeedsPaintInvalidation();
+    for (auto* layer : m_clientLayers)
+        layer->filterNeedsPaintInvalidation();
 }
 
 void LayoutSVGResourceContainer::markClientForInvalidation(LayoutObject* client, InvalidationMode mode)
@@ -257,16 +254,15 @@ static inline void removeFromCacheAndInvalidateDependencies(LayoutObject* object
     typedef WillBeHeapHashSet<RawPtrWillBeMember<SVGElement>> SVGElementSet;
     DEFINE_STATIC_LOCAL(OwnPtrWillBePersistent<SVGElementSet>, invalidatingDependencies, (adoptPtrWillBeNoop(new SVGElementSet)));
 
-    SVGElementSet::iterator end = dependencies->end();
-    for (SVGElementSet::iterator it = dependencies->begin(); it != end; ++it) {
-        if (LayoutObject* layoutObject = (*it)->layoutObject()) {
-            if (UNLIKELY(!invalidatingDependencies->add(*it).isNewEntry)) {
+    for (auto* element : *dependencies) {
+        if (LayoutObject* layoutObject = element->layoutObject()) {
+            if (UNLIKELY(!invalidatingDependencies->add(element).isNewEntry)) {
                 // Reference cycle: we are in process of invalidating this dependant.
                 continue;
             }
 
             LayoutSVGResourceContainer::markForLayoutAndParentResourceInvalidation(layoutObject, needsLayout);
-            invalidatingDependencies->remove(*it);
+            invalidatingDependencies->remove(element);
         }
     }
 }