Index: third_party/WebKit/Source/core/css/resolver/ScopedStyleResolver.cpp |
diff --git a/third_party/WebKit/Source/core/css/resolver/ScopedStyleResolver.cpp b/third_party/WebKit/Source/core/css/resolver/ScopedStyleResolver.cpp |
index b4e489dc1471e02136c322e3a566e99535d8a68a..074ac0d18b9c79829035afcd08414b958d35a1d0 100644 |
--- a/third_party/WebKit/Source/core/css/resolver/ScopedStyleResolver.cpp |
+++ b/third_party/WebKit/Source/core/css/resolver/ScopedStyleResolver.cpp |
@@ -298,6 +298,20 @@ void ScopedStyleResolver::addTreeBoundaryCrossingRules( |
RuleSubSet::create(parentStyleSheet, sheetIndex, ruleSetForScope)); |
} |
+bool ScopedStyleResolver::hasSameStyles(const ScopedStyleResolver* first, |
+ const ScopedStyleResolver* second) { |
+ unsigned firstCount = first ? first->m_authorStyleSheets.size() : 0; |
+ unsigned secondCount = second ? second->m_authorStyleSheets.size() : 0; |
sof
2017/01/03 18:48:34
Using size_t would avoid the (unlikely) problem of
rune
2017/01/03 21:33:01
Done.
|
+ if (firstCount != secondCount) |
+ return false; |
+ while (firstCount--) { |
+ if (first->m_authorStyleSheets[firstCount]->contents() != |
+ second->m_authorStyleSheets[firstCount]->contents()) |
+ return false; |
+ } |
+ return true; |
+} |
+ |
DEFINE_TRACE(ScopedStyleResolver::RuleSubSet) { |
visitor->trace(m_parentStyleSheet); |
visitor->trace(m_ruleSet); |