Remove ScriptState from NodeIterator, NodeFilter, NodeFilterCondition and TreeWalker

Source/core/dom/NodeIterator.cpp

Index: Source/core/dom/NodeIterator.cpp
diff --git a/Source/core/dom/NodeIterator.cpp b/Source/core/dom/NodeIterator.cpp
index 6127231b144de4001529d2c2ea559e8d66afe65b..1a2e05605203cff8fcefca6b56e3ecaea3a7f131 100644
--- a/Source/core/dom/NodeIterator.cpp
+++ b/Source/core/dom/NodeIterator.cpp
@@ -26,7 +26,6 @@
 #include "core/dom/NodeIterator.h"
 
 #include "bindings/v8/ExceptionState.h"
-#include "bindings/v8/ScriptState.h"
 #include "core/dom/Document.h"
 #include "core/dom/ExceptionCode.h"
 #include "core/dom/NodeTraversal.h"
@@ -86,7 +85,7 @@ NodeIterator::~NodeIterator()
     root()->document().detachNodeIterator(this);
 }
 
-PassRefPtr<Node> NodeIterator::nextNode(ScriptState* state, ExceptionState& exceptionState)
+PassRefPtr<Node> NodeIterator::nextNode(ExceptionState& exceptionState)
 {
     if (m_detached) {
         exceptionState.throwDOMException(InvalidStateError, "The iterator is detached.");
@@ -101,8 +100,8 @@ PassRefPtr<Node> NodeIterator::nextNode(ScriptState* state, ExceptionState& exce
         // In other words, FILTER_REJECT does not pass over descendants
         // of the rejected node. Hence, FILTER_REJECT is the same as FILTER_SKIP.
         RefPtr<Node> provisionalResult = m_candidateNode.node;
-        bool nodeWasAccepted = acceptNode(state, provisionalResult.get()) == NodeFilter::FILTER_ACCEPT;
-        if (state && state->hadException())
+        bool nodeWasAccepted = acceptNode(provisionalResult.get(), exceptionState) == NodeFilter::FILTER_ACCEPT;
+        if (exceptionState.hadException())
             break;
         if (nodeWasAccepted) {
             m_referenceNode = m_candidateNode;
@@ -115,7 +114,7 @@ PassRefPtr<Node> NodeIterator::nextNode(ScriptState* state, ExceptionState& exce
     return result.release();
 }
 
-PassRefPtr<Node> NodeIterator::previousNode(ScriptState* state, ExceptionState& exceptionState)
+PassRefPtr<Node> NodeIterator::previousNode(ExceptionState& exceptionState)
 {
     if (m_detached) {
         exceptionState.throwDOMException(InvalidStateError, "The iterator is detached.");
@@ -130,8 +129,8 @@ PassRefPtr<Node> NodeIterator::previousNode(ScriptState* state, ExceptionState&
         // In other words, FILTER_REJECT does not pass over descendants
         // of the rejected node. Hence, FILTER_REJECT is the same as FILTER_SKIP.
         RefPtr<Node> provisionalResult = m_candidateNode.node;
-        bool nodeWasAccepted = acceptNode(state, provisionalResult.get()) == NodeFilter::FILTER_ACCEPT;
-        if (state && state->hadException())
+        bool nodeWasAccepted = acceptNode(provisionalResult.get(), exceptionState) == NodeFilter::FILTER_ACCEPT;
+        if (exceptionState.hadException())
             break;
         if (nodeWasAccepted) {
             m_referenceNode = m_candidateNode;