Preload tokens even if a <meta> csp tag is found

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

Index: third_party/WebKit/Source/core/html/parser/BackgroundHTMLParser.h
diff --git a/third_party/WebKit/Source/core/html/parser/BackgroundHTMLParser.h b/third_party/WebKit/Source/core/html/parser/BackgroundHTMLParser.h
index c3286ca8689863f1f0e72647a9892decdaf3f50c..ab676f209c57b3b45e5ba9aedd11c6c28f2fe1b4 100644
--- a/third_party/WebKit/Source/core/html/parser/BackgroundHTMLParser.h
+++ b/third_party/WebKit/Source/core/html/parser/BackgroundHTMLParser.h
@@ -36,6 +36,7 @@
 #include "core/html/parser/TextResourceDecoder.h"
 #include "core/html/parser/TokenizedChunkQueue.h"
 #include "core/html/parser/XSSAuditorDelegate.h"
+#include "wtf/Optional.h"
 #include "wtf/WeakPtr.h"
 #include <memory>
 
@@ -131,6 +132,8 @@ private:
     std::unique_ptr<WebTaskRunner> m_loadingTaskRunner;
     RefPtr<TokenizedChunkQueue> m_tokenizedChunkQueue;
 
+    WTF::Optional<int> m_pendingCSPMetaTokenIndex;

[kouhei (in TOK), 2016/08/22 05:34:03]

Checked with TOK C++ experts. I think we should go with a reserved value (-1)
for invalid token index. WTF::Optional is cute, but is an overkill here.

[Charlie Harrison, 2016/08/22 14:08:05]

SGTM. Changed it.

+
     bool m_startingScript;
     double m_lastBytesReceivedTime;
     bool m_shouldCoalesceChunks;