Revert of Store the list of trial tokens in OriginTrialContext

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

Index: third_party/WebKit/Source/core/dom/ExecutionContext.h
diff --git a/third_party/WebKit/Source/core/dom/ExecutionContext.h b/third_party/WebKit/Source/core/dom/ExecutionContext.h
index c767839a09e476ff16d78d90e516bf222cc05fee..7d445f9b16b2689948c174d8866828d36106ccb1 100644
--- a/third_party/WebKit/Source/core/dom/ExecutionContext.h
+++ b/third_party/WebKit/Source/core/dom/ExecutionContext.h
@@ -53,6 +53,7 @@
 class EventTarget;
 class ExecutionContextTask;
 class LocalDOMWindow;
+class OriginTrialContext;
 class PublicURLManager;
 class SecurityOrigin;
 class ScriptCallStack;
@@ -156,6 +157,9 @@
     void setReferrerPolicy(ReferrerPolicy);
     ReferrerPolicy getReferrerPolicy() const { return m_referrerPolicy; }
 
+    // Override to enable experimental features through origin trials
+    virtual RawPtr<OriginTrialContext> createOriginTrialContext();
+
 protected:
     ExecutionContext();
     virtual ~ExecutionContext();