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

third_party/WebKit/Source/core/workers/MainThreadWorkletTest.cpp

 // 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.
 
 #include "bindings/core/v8/V8BindingForCore.h"
 #include "core/frame/UseCounter.h"
 #include "core/testing/DummyPageHolder.h"
 #include "core/workers/MainThreadWorkletGlobalScope.h"
 #include "platform/weborigin/SecurityOrigin.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace blink {
 
-namespace {
-
-class WorkletObjectProxyForTest final
-    : public GarbageCollectedFinalized<WorkletObjectProxyForTest>,
-      public WorkletObjectProxy {
-  USING_GARBAGE_COLLECTED_MIXIN(WorkletObjectProxyForTest);
-
- public:
-  void DidFetchAndInvokeScript(int32_t request_id, bool success) {}
-};
-
-}  // namespace
-
 class MainThreadWorkletTest : public ::testing::Test {
  public:
   void SetUp() override {
     KURL url(kParsedURLString, "https://example.com/");
     page_ = DummyPageHolder::Create();
     security_origin_ = SecurityOrigin::Create(url);
     global_scope_ = new MainThreadWorkletGlobalScope(
         &page_->GetFrame(), url, "fake user agent", security_origin_.Get(),
-        ToIsolate(page_->GetFrame().GetDocument()),
-        new WorkletObjectProxyForTest);
+        ToIsolate(page_->GetFrame().GetDocument()));
   }
 
   void TearDown() override { global_scope_->TerminateWorkletGlobalScope(); }
 
  protected:
   RefPtr<SecurityOrigin> security_origin_;
   std::unique_ptr<DummyPageHolder> page_;
   Persistent<MainThreadWorkletGlobalScope> global_scope_;
 };
 
@@ skipping 14 matching lines @@
       UseCounter::Feature::kPrefixedStorageInfo;
 
   // Deprecated API use on the MainThreadWorkletGlobalScope should be recorded
   // in UseCounter on the Document.
   EXPECT_FALSE(UseCounter::IsCounted(document, kFeature2));
   Deprecation::CountDeprecation(global_scope_, kFeature2);
   EXPECT_TRUE(UseCounter::IsCounted(document, kFeature2));
 }
 
 }  // namespace blink