Add a first pass of a class descendant invalidator, and a containing RuleSetAnalyzer

Source/core/dom/Element.cpp

Index: Source/core/dom/Element.cpp
diff --git a/Source/core/dom/Element.cpp b/Source/core/dom/Element.cpp
index 45ff5c326d6a6bf146c7c1bd35870a4174f8f4e0..d6a0b74fcd50af35d9d902bded723b2d400070bd 100644
--- a/Source/core/dom/Element.cpp
+++ b/Source/core/dom/Element.cpp
@@ -1045,7 +1045,7 @@ static inline bool classStringHasClassName(const AtomicString& newClassString)
 }
 
 template<typename Checker>
-static bool checkSelectorForClassChange(const SpaceSplitString& changedClasses, const Checker& checker)
+bool checkSelectorForClassChange(const SpaceSplitString& changedClasses, const Checker& checker)

[esprehn, 2014/01/15 04:27:32]

It doesn't seem like you need to touch this file at all now, can you just revert
it?

[chrishtr, 2014/01/15 18:28:21]

Done.

 {
     unsigned changedSize = changedClasses.size();
     for (unsigned i = 0; i < changedSize; ++i) {
@@ -1056,7 +1056,7 @@ static bool checkSelectorForClassChange(const SpaceSplitString& changedClasses,
 }
 
 template<typename Checker>
-static bool checkSelectorForClassChange(const SpaceSplitString& oldClasses, const SpaceSplitString& newClasses, const Checker& checker)
+bool checkSelectorForClassChange(const SpaceSplitString& oldClasses, const SpaceSplitString& newClasses, const Checker& checker)
 {
     if (!oldClasses.size())
         return checkSelectorForClassChange(newClasses, checker);
@@ -1084,6 +1084,7 @@ static bool checkSelectorForClassChange(const SpaceSplitString& oldClasses, cons
     for (unsigned i = 0; i < oldClasses.size(); ++i) {
         if (remainingClassBits.quickGet(i))
             continue;
+
         // Class was removed.
         if (checker.hasSelectorForClass(oldClasses[i]))
             return true;