Fix Resource Priorities and Scheduling (Blink Side)

Source/core/fetch/FetchContext.h

Index: Source/core/fetch/FetchContext.h
diff --git a/Source/core/fetch/FetchContext.h b/Source/core/fetch/FetchContext.h
index f2d05d9f9ad105e5f21df6f3213c7085acc5af67..57acd34075ae676eaafba6a3fc9fd8b7c8794688 100644
--- a/Source/core/fetch/FetchContext.h
+++ b/Source/core/fetch/FetchContext.h
@@ -108,6 +108,11 @@ public:
     virtual void addCSPHeaderIfNecessary(Resource::Type, FetchRequest&);
     virtual bool isLowPriorityIframe() const { return false; }
 
+    virtual bool fetchDeferLateScripts() const { return false; }
+    virtual bool fetchIncreaseFontPriority() const { return false; }
+    virtual bool fetchIncreaseAsyncScriptPriority() const { return false; }
+    virtual bool fetchIncreasePriorities() const { return false; }
+
 protected:
     FetchContext() { }
 };