Oilpan: cleanup based on review comments after removal of TreeShared.

Source/core/svg/SVGAnimateElement.cpp

Index: Source/core/svg/SVGAnimateElement.cpp
diff --git a/Source/core/svg/SVGAnimateElement.cpp b/Source/core/svg/SVGAnimateElement.cpp
index 4cfd3ea0599c768d46a4d406a2e089ad5fbb6e92..3bbdbcb793630c9d55bc5403b78f3609eb23ed75 100644
--- a/Source/core/svg/SVGAnimateElement.cpp
+++ b/Source/core/svg/SVGAnimateElement.cpp
@@ -150,9 +150,9 @@ Vector<SVGElement*> findElementInstances(SVGElement* targetElement)
 
     animatedElements.append(targetElement);
 
-    const HashSet<SVGElement*>& instances = targetElement->instancesForElement();
-    const HashSet<SVGElement*>::const_iterator end = instances.end();
-    for (HashSet<SVGElement*>::const_iterator it = instances.begin(); it != end; ++it) {
+    const WillBeHeapHashSet<RawPtrWillBeWeakMember<SVGElement> >& instances = targetElement->instancesForElement();
+    const WillBeHeapHashSet<RawPtrWillBeWeakMember<SVGElement> >::const_iterator end = instances.end();
+    for (WillBeHeapHashSet<RawPtrWillBeWeakMember<SVGElement> >::const_iterator it = instances.begin(); it != end; ++it) {
         if (SVGElement* shadowTreeElement = *it)
             animatedElements.append(shadowTreeElement);
     }
@@ -237,9 +237,9 @@ static inline void applyCSSPropertyToTargetAndInstances(SVGElement* targetElemen
     applyCSSPropertyToTarget(targetElement, id, valueAsString);
 
     // If the target element has instances, update them as well, w/o requiring the <use> tree to be rebuilt.
-    const HashSet<SVGElement*>& instances = targetElement->instancesForElement();
-    const HashSet<SVGElement*>::const_iterator end = instances.end();
-    for (HashSet<SVGElement*>::const_iterator it = instances.begin(); it != end; ++it) {
+    const WillBeHeapHashSet<RawPtrWillBeWeakMember<SVGElement> >& instances = targetElement->instancesForElement();
+    const WillBeHeapHashSet<RawPtrWillBeWeakMember<SVGElement> >::const_iterator end = instances.end();
+    for (WillBeHeapHashSet<RawPtrWillBeWeakMember<SVGElement> >::const_iterator it = instances.begin(); it != end; ++it) {
         if (SVGElement* shadowTreeElement = *it)
             applyCSSPropertyToTarget(shadowTreeElement, id, valueAsString);
     }
@@ -257,9 +257,9 @@ static inline void removeCSSPropertyFromTargetAndInstances(SVGElement* targetEle
     removeCSSPropertyFromTarget(targetElement, id);
 
     // If the target element has instances, update them as well, w/o requiring the <use> tree to be rebuilt.
-    const HashSet<SVGElement*>& instances = targetElement->instancesForElement();
-    const HashSet<SVGElement*>::const_iterator end = instances.end();
-    for (HashSet<SVGElement*>::const_iterator it = instances.begin(); it != end; ++it) {
+    const WillBeHeapHashSet<RawPtrWillBeWeakMember<SVGElement> >& instances = targetElement->instancesForElement();
+    const WillBeHeapHashSet<RawPtrWillBeWeakMember<SVGElement> >::const_iterator end = instances.end();
+    for (WillBeHeapHashSet<RawPtrWillBeWeakMember<SVGElement> >::const_iterator it = instances.begin(); it != end; ++it) {
         if (SVGElement* shadowTreeElement = *it)
             removeCSSPropertyFromTarget(shadowTreeElement, id);
     }
@@ -284,9 +284,9 @@ static inline void notifyTargetAndInstancesAboutAnimValChange(SVGElement* target
     notifyTargetAboutAnimValChange(targetElement, attributeName);
 
     // If the target element has instances, update them as well, w/o requiring the <use> tree to be rebuilt.
-    const HashSet<SVGElement*>& instances = targetElement->instancesForElement();
-    const HashSet<SVGElement*>::const_iterator end = instances.end();
-    for (HashSet<SVGElement*>::const_iterator it = instances.begin(); it != end; ++it) {
+    const WillBeHeapHashSet<RawPtrWillBeWeakMember<SVGElement> >& instances = targetElement->instancesForElement();
+    const WillBeHeapHashSet<RawPtrWillBeWeakMember<SVGElement> >::const_iterator end = instances.end();
+    for (WillBeHeapHashSet<RawPtrWillBeWeakMember<SVGElement> >::const_iterator it = instances.begin(); it != end; ++it) {
         if (SVGElement* shadowTreeElement = *it)
             notifyTargetAboutAnimValChange(shadowTreeElement, attributeName);
     }