SharedWorker: Factor out WorkerReportingProxy impl from WebSharedWorkerImpl

third_party/WebKit/Source/web/WebSharedWorkerReportingProxyImpl.h

+// Copyright 2017 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 WebSharedWorkerReportingProxyImpl_h
+#define WebSharedWorkerReportingProxyImpl_h
+
+#include "core/workers/ParentFrameTaskRunners.h"
+#include "core/workers/WorkerReportingProxy.h"
+#include "platform/heap/GarbageCollected.h"
+
+namespace blink {
+
+class WebSharedWorkerImpl;
+
+// An implementation of WorkerReportingProxy for SharedWorker. This is created
+// and owned by WebSharedWorkerImpl on the main thread, accessed from a worker
+// thread, and destroyed on the main thread.
+class WebSharedWorkerReportingProxyImpl final
+    : public GarbageCollectedFinalized<WebSharedWorkerReportingProxyImpl>,
+      public WorkerReportingProxy {
+  WTF_MAKE_NONCOPYABLE(WebSharedWorkerReportingProxyImpl);
+
+ public:
+  WebSharedWorkerReportingProxyImpl(WebSharedWorkerImpl*,
+                                    ParentFrameTaskRunners*);
+  ~WebSharedWorkerReportingProxyImpl() override;
+
+  // WorkerReportingProxy methods:
+  void countFeature(UseCounter::Feature) override;
+  void countDeprecation(UseCounter::Feature) override;
+  void reportException(const WTF::String&,
+                       std::unique_ptr<SourceLocation>,
+                       int exceptionId) override;
+  void reportConsoleMessage(MessageSource,
+                            MessageLevel,
+                            const String& message,
+                            SourceLocation*) override;
+  void postMessageToPageInspector(const WTF::String&) override;
+  void didEvaluateWorkerScript(bool success) override {}
+  void didCloseWorkerGlobalScope() override;
+  void willDestroyWorkerGlobalScope() override {}
+  void didTerminateWorkerThread() override;
+
+  DECLARE_TRACE();
+
+ private:
+  // Not owned because this outlives the reporting proxy.
+  WebSharedWorkerImpl* m_worker;
+
+  Member<ParentFrameTaskRunners> m_parentFrameTaskRunners;
+};
+
+}  // namespace blink
+
+#endif  // WebSharedWorkerReportingProxyImpl_h