Lazy Parse CSS

third_party/WebKit/Source/core/css/StyleSheetContents.h

Index: third_party/WebKit/Source/core/css/StyleSheetContents.h
diff --git a/third_party/WebKit/Source/core/css/StyleSheetContents.h b/third_party/WebKit/Source/core/css/StyleSheetContents.h
index ae3d78c6608c4ca89226a7272d245209d69698af..3acb1a1bd4a1259ee18a8f74daf71f1b367504a8 100644
--- a/third_party/WebKit/Source/core/css/StyleSheetContents.h
+++ b/third_party/WebKit/Source/core/css/StyleSheetContents.h
@@ -159,6 +159,11 @@ public:
 
     String sourceMapURL() const { return m_sourceMapURL; }
 
+    void takeEscapedStrings(std::unique_ptr<Vector<String>> strings)
+    {
+        m_escapedStrings.reset(strings.release());
+    }
+
     DECLARE_TRACE();
 
 private:
@@ -182,6 +187,9 @@ private:
     AtomicString m_defaultNamespace;
     WeakMember<CSSStyleSheetResource> m_referencedFromResource;
 
+    // Only initialized if using lazy parsing. Also referenced on the css resource.
+    String m_sheetText;

[Timothy Loh, 2016/09/27 05:15:45]

Maybe nicer to put this next to the vector you're adding.

[Charlie Harrison, 2016/09/27 13:22:01]

Done.

+
     bool m_hasSyntacticallyValidCSSHeader : 1;
     bool m_didLoadErrorOccur : 1;
     bool m_isMutable : 1;
@@ -197,6 +205,10 @@ private:
 
     Member<RuleSet> m_ruleSet;
     String m_sourceMapURL;
+
+    // Used for retaining references to escaped strings for lazy parsing. For
+    // non-lazy parsing these are only retained in the CSSTokenizer::Scope.
+    std::unique_ptr<Vector<String>> m_escapedStrings;
 };
 
 } // namespace blink