Possibly merge consecutive script fragments to reduce execution overhead

third_party/WebKit/Source/core/html/parser/HTMLTokenizer.h

Index: third_party/WebKit/Source/core/html/parser/HTMLTokenizer.h
diff --git a/third_party/WebKit/Source/core/html/parser/HTMLTokenizer.h b/third_party/WebKit/Source/core/html/parser/HTMLTokenizer.h
index ae7e5f61f8fc0e161e5546de2291fd675f9f4165..77e9e5fd33f198437dc1f23b83e0561e80b541c6 100644
--- a/third_party/WebKit/Source/core/html/parser/HTMLTokenizer.h
+++ b/third_party/WebKit/Source/core/html/parser/HTMLTokenizer.h
@@ -180,6 +180,19 @@ class CORE_EXPORT HTMLTokenizer {
             m_state == HTMLTokenizer::RCDATAState ||
             m_state == HTMLTokenizer::RAWTEXTState);
   }
+  void reserveAttributeForCheck();
+  bool checkIfMergeScripts(SegmentedString&);
+  const HTMLToken::Attribute* getAttributeFromList(const QualifiedName& name) {
+    for (unsigned i = 0; i < m_temporaryAttributeList.size(); ++i) {
+      if (m_temporaryAttributeList.at(i).name() == name.localName())
+        return &m_temporaryAttributeList.at(i);
+    }
+    return 0;
+  }
+  bool compareAttribute(SegmentedString&, unsigned&);
+  bool compareAttributeValue(SegmentedString&, unsigned&, const QualifiedName&);
+
+  Vector<UChar, 32> m_temporaryAttributeValueBuffer;
 
  private:
   explicit HTMLTokenizer(const HTMLParserOptions&);
@@ -248,6 +261,8 @@ class CORE_EXPORT HTMLTokenizer {
   // this member might be pointing to unallocated memory.
   HTMLToken* m_token;
 
+  HTMLToken::AttributeList m_temporaryAttributeList;
+
   // http://www.whatwg.org/specs/web-apps/current-work/#additional-allowed-character
   UChar m_additionalAllowedCharacter;