[worklets] Split up InProcessWorkerMessagingProxy into a base+worker class.

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

Index: third_party/WebKit/Source/core/workers/InProcessWorkerMessagingProxy.h
diff --git a/third_party/WebKit/Source/core/workers/InProcessWorkerMessagingProxy.h b/third_party/WebKit/Source/core/workers/InProcessWorkerMessagingProxy.h
index 130f134f54e28f2836483d801ae2e177a25efbfd..cf7a4306f87906980d368bb0a581bf9cd524c11f 100644
--- a/third_party/WebKit/Source/core/workers/InProcessWorkerMessagingProxy.h
+++ b/third_party/WebKit/Source/core/workers/InProcessWorkerMessagingProxy.h
@@ -29,14 +29,11 @@
 
 #include "core/CoreExport.h"
 #include "core/dom/ExecutionContext.h"
-#include "core/workers/InProcessWorkerGlobalScopeProxy.h"
-#include "core/workers/WorkerLoaderProxy.h"
+#include "core/dom/MessagePort.h"
+#include "core/workers/ThreadedMessagingProxyBase.h"
 #include "platform/heap/Handle.h"
-#include "wtf/Forward.h"
 #include "wtf/Noncopyable.h"
 #include "wtf/PassRefPtr.h"
-#include "wtf/RefPtr.h"
-#include "wtf/Vector.h"
 #include <memory>
 
 namespace blink {
@@ -44,94 +41,40 @@ namespace blink {
 class ExecutionContext;
 class InProcessWorkerBase;
 class InProcessWorkerObjectProxy;
-class ParentFrameTaskRunners;
+class SerializedScriptValue;
 class WorkerClients;
-class WorkerInspectorProxy;
-class WorkerThread;
 
 // TODO(nhiroki): "MessagingProxy" is not well-defined term among worker
 // components. Probably we should rename this to something more suitable.
 // (http://crbug.com/603785)
-class CORE_EXPORT InProcessWorkerMessagingProxy
-    : public InProcessWorkerGlobalScopeProxy
-    , private WorkerLoaderProxyProvider {
+class CORE_EXPORT InProcessWorkerMessagingProxy : public ThreadedMessagingProxyBase {
     WTF_MAKE_NONCOPYABLE(InProcessWorkerMessagingProxy);
 public:
-    // Implementations of InProcessWorkerGlobalScopeProxy.
-    // (Only use these methods in the parent context thread.)
-    void startWorkerGlobalScope(const KURL& scriptURL, const String& userAgent, const String& sourceCode) override;
-    void terminateWorkerGlobalScope() override;
-    void postMessageToWorkerGlobalScope(PassRefPtr<SerializedScriptValue>, std::unique_ptr<MessagePortChannelArray>) override;
-    bool hasPendingActivity() const final;
-    void workerObjectDestroyed() override;
+    // These methods should only be used on the parent context thread.
+    void startWorkerGlobalScope(const KURL& scriptURL, const String& userAgent, const String& sourceCode);
+    void postMessageToWorkerGlobalScope(PassRefPtr<SerializedScriptValue>, std::unique_ptr<MessagePortChannelArray>);
+
+    void parentObjectDestroyed() override;
 
     // These methods come from worker context thread via
     // InProcessWorkerObjectProxy and are called on the parent context thread.
     void postMessageToWorkerObject(PassRefPtr<SerializedScriptValue>, std::unique_ptr<MessagePortChannelArray>);
     void dispatchErrorEvent(const String& errorMessage, std::unique_ptr<SourceLocation>, int exceptionId);
-    void reportConsoleMessage(MessageSource, MessageLevel, const String& message, std::unique_ptr<SourceLocation>);
-    void postMessageToPageInspector(const String&);
-
-    // 'virtual' for testing.
-    virtual void confirmMessageFromWorkerObject();
-    virtual void pendingActivityFinished();
-    virtual void workerThreadTerminated();
-
-    void workerThreadCreated();
-
-    ExecutionContext* getExecutionContext() const { return m_executionContext.get(); }
-
-    ParentFrameTaskRunners* getParentFrameTaskRunners() { return m_parentFrameTaskRunners.get(); }
-
-    // Number of live messaging proxies, used by leak detection.
-    static int proxyCount();
 
 protected:
     InProcessWorkerMessagingProxy(InProcessWorkerBase*, WorkerClients*);
     ~InProcessWorkerMessagingProxy() override;
 
-    virtual std::unique_ptr<WorkerThread> createWorkerThread(double originTime) = 0;
-
-    PassRefPtr<WorkerLoaderProxy> loaderProxy() { return m_loaderProxy; }
     InProcessWorkerObjectProxy& workerObjectProxy() { return *m_workerObjectProxy.get(); }
 
 private:
     friend class InProcessWorkerMessagingProxyForTest;
     InProcessWorkerMessagingProxy(ExecutionContext*, InProcessWorkerBase*, WorkerClients*);
 
-    void workerObjectDestroyedInternal();
-
-    // WorkerLoaderProxyProvider
-    // These methods are called on different threads to schedule loading
-    // requests and to send callbacks back to WorkerGlobalScope.
-    void postTaskToLoader(const WebTraceLocation&, std::unique_ptr<ExecutionContextTask>) override;
-    void postTaskToWorkerGlobalScope(const WebTraceLocation&, std::unique_ptr<ExecutionContextTask>) override;
-
-    // Returns true if this is called on the parent context thread.
-    bool isParentContextThread() const;
-
-    Persistent<ExecutionContext> m_executionContext;
     std::unique_ptr<InProcessWorkerObjectProxy> m_workerObjectProxy;
     WeakPersistent<InProcessWorkerBase> m_workerObject;
-    bool m_mayBeDestroyed;
-    std::unique_ptr<WorkerThread> m_workerThread;
-
-    // Unconfirmed messages from the parent context thread to the worker thread.
-    unsigned m_unconfirmedMessageCount;
-
-    bool m_workerGlobalScopeMayHavePendingActivity;
-    bool m_askedToTerminate;
-
-    // Tasks are queued here until there's a thread object created.
-    Vector<std::unique_ptr<ExecutionContextTask>> m_queuedEarlyTasks;
-
-    Persistent<WorkerInspectorProxy> m_workerInspectorProxy;
 
     Persistent<WorkerClients> m_workerClients;
-
-    Persistent<ParentFrameTaskRunners> m_parentFrameTaskRunners;
-
-    RefPtr<WorkerLoaderProxy> m_loaderProxy;
 };
 
 } // namespace blink