Move token gathering into parser

third_party/WebKit/Source/core/origin_trials/OriginTrialContext.h

Index: third_party/WebKit/Source/core/origin_trials/OriginTrialContext.h
diff --git a/third_party/WebKit/Source/core/origin_trials/OriginTrialContext.h b/third_party/WebKit/Source/core/origin_trials/OriginTrialContext.h
index 6b9f0d7de5e3140a520ece8e357939880a778975..a1682ee4aa297be1e20f8b9235d0c5f70c63e66c 100644
--- a/third_party/WebKit/Source/core/origin_trials/OriginTrialContext.h
+++ b/third_party/WebKit/Source/core/origin_trials/OriginTrialContext.h
@@ -40,7 +40,7 @@ public:
     virtual ~OriginTrialContext() = default;
 
     virtual ExecutionContext* getExecutionContext() = 0;
-    virtual Vector<String> getTokens() = 0;
+    virtual Vector<String> getTokens();
 
     DECLARE_VIRTUAL_TRACE();
 
@@ -59,10 +59,17 @@ private:
 
     bool hasValidToken(Vector<String> tokens, const String& featureName, String* errorMessage, WebTrialTokenValidator*);
 
+    void addToken(const String& token);
+    void finalizeTokens();
+    void resetOriginTrialsForTesting();
+
     // Records whether an error message has been generated, for each feature
     // name. Since these messages are generally written to the console, this is
     // used to avoid cluttering the console with messages on every access.
     HashSet<String> m_errorMessageGeneratedForFeature;
+
+    bool m_finalized;
+    Vector<String> m_tokens;
 };
 
 } // namespace blink