Revert of Store the list of trial tokens in OriginTrialContext

third_party/WebKit/Source/core/dom/Document.h

Index: third_party/WebKit/Source/core/dom/Document.h
diff --git a/third_party/WebKit/Source/core/dom/Document.h b/third_party/WebKit/Source/core/dom/Document.h
index 70550e2faa2d44cfbceba337e7cd6e7871a7f1e5..5726efc098e691ebc310d36b1b696e0c2da899e0 100644
--- a/third_party/WebKit/Source/core/dom/Document.h
+++ b/third_party/WebKit/Source/core/dom/Document.h
@@ -142,6 +142,7 @@
 class NodeIterator;
 class NthIndexCache;
 class OriginAccessEntry;
+class OriginTrialContext;
 class Page;
 class PlatformMouseEvent;
 class ProcessingInstruction;
@@ -1078,6 +1079,7 @@
     ParserSynchronizationPolicy getParserSynchronizationPolicy() const { return m_parserSyncPolicy; }
 
 private:
+    friend class DocumentOriginTrialContextTest;
     friend class IgnoreDestructiveWriteCountIncrementer;
     friend class NthIndexCache;
 
@@ -1160,6 +1162,8 @@
     void setNthIndexCache(NthIndexCache* nthIndexCache) { ASSERT(!m_nthIndexCache || !nthIndexCache); m_nthIndexCache = nthIndexCache; }
 
     const OriginAccessEntry& accessEntryFromURL();
+
+    RawPtr<OriginTrialContext> createOriginTrialContext() override;
 
     DocumentLifecycle m_lifecycle;