Worklet: Introduce "pending tasks struct" concept defined in the Worklet spec

third_party/WebKit/Source/core/workers/Worklet.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef Worklet_h
 #define Worklet_h
 
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "core/CoreExport.h"
@@ skipping 14 matching lines @@
                             public ContextLifecycleObserver {
   DEFINE_WRAPPERTYPEINFO();
   USING_GARBAGE_COLLECTED_MIXIN(Worklet);
   WTF_MAKE_NONCOPYABLE(Worklet);
 
  public:
   virtual ~Worklet() = default;
 
   // Worklet.idl
   // addModule() imports ES6 module scripts.
-  virtual ScriptPromise addModule(ScriptState*, const String& url) = 0;
+  virtual ScriptPromise addModule(ScriptState*, const String& module_url) = 0;
 
   // Returns a proxy to WorkletGlobalScope on the context thread.
   virtual WorkletGlobalScopeProxy* GetWorkletGlobalScopeProxy() const = 0;
 
   // ContextLifecycleObserver
   virtual void ContextDestroyed(ExecutionContext*);
 
   DECLARE_VIRTUAL_TRACE();
 
  protected:
   // The Worklet inherits the url and userAgent from the frame->document().
   explicit Worklet(LocalFrame*);
 
   Member<LocalFrame> frame_;
 };
 
 }  // namespace blink
 
 #endif  // Worklet_h