PageRule should not serialize @page in selectorText

third_party/WebKit/Source/core/css/CSSTestHelper.cpp

Index: third_party/WebKit/Source/core/css/CSSTestHelper.cpp
diff --git a/third_party/WebKit/Source/core/css/CSSTestHelper.cpp b/third_party/WebKit/Source/core/css/CSSTestHelper.cpp
index 10c1fc61cf9382ca98b7472a5212f44ded1e374a..ab513d8edbace4d844f6ef61757544ed92cf3e9a 100644
--- a/third_party/WebKit/Source/core/css/CSSTestHelper.cpp
+++ b/third_party/WebKit/Source/core/css/CSSTestHelper.cpp
@@ -50,6 +50,11 @@ CSSTestHelper::CSSTestHelper()
     m_styleSheet = CSSStyleSheet::createInline(m_document.get(), KURL(), position, "UTF-8");
 }
 
+CSSRuleList* CSSTestHelper::cssRules()
+{
+    return m_styleSheet->cssRules().get();
+}
+
 RuleSet& CSSTestHelper::ruleSet()
 {
     RuleSet& ruleSet = m_styleSheet->contents()->ensureRuleSet(MediaQueryEvaluator(), RuleHasNoSpecialState);