Initial implementation of bindings and basic classes for worklets.

third_party/WebKit/Source/bindings/core/v8/WorkerScriptController.h

Index: third_party/WebKit/Source/bindings/core/v8/WorkerScriptController.h
diff --git a/third_party/WebKit/Source/bindings/core/v8/WorkerScriptController.h b/third_party/WebKit/Source/bindings/core/v8/WorkerScriptController.h
deleted file mode 100644
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-/*
- * Copyright (C) 2009, 2012 Google Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef WorkerScriptController_h
-#define WorkerScriptController_h
-
-#include "bindings/core/v8/RejectedPromises.h"
-#include "bindings/core/v8/ScriptValue.h"
-#include "bindings/core/v8/V8Binding.h"
-#include "bindings/core/v8/V8CacheOptions.h"
-#include "core/CoreExport.h"
-#include "wtf/Allocator.h"
-#include "wtf/OwnPtr.h"
-#include "wtf/ThreadingPrimitives.h"
-#include "wtf/text/TextPosition.h"
-#include <v8.h>
-
-namespace blink {
-
-class CachedMetadataHandler;
-class ErrorEvent;
-class ExceptionState;
-class ScriptSourceCode;
-class WorkerGlobalScope;
-
-class CORE_EXPORT WorkerScriptController : public NoBaseWillBeGarbageCollectedFinalized<WorkerScriptController> {
-    USING_FAST_MALLOC_WILL_BE_REMOVED(WorkerScriptController);
-    WTF_MAKE_NONCOPYABLE(WorkerScriptController);
-public:
-    static PassOwnPtrWillBeRawPtr<WorkerScriptController> create(WorkerGlobalScope*, v8::Isolate*);
-    virtual ~WorkerScriptController();
-    void dispose();
-
-    bool isExecutionForbidden() const;
-    bool isExecutionTerminating() const;
-
-    // Returns true if the evaluation completed with no uncaught exception.
-    bool evaluate(const ScriptSourceCode&, RefPtrWillBeRawPtr<ErrorEvent>* = nullptr, CachedMetadataHandler* = nullptr, V8CacheOptions = V8CacheOptionsDefault);
-
-    // Prevents future JavaScript execution. See
-    // willScheduleExecutionTermination, isExecutionForbidden.
-    void forbidExecution();
-
-    // Used by WorkerThread:
-    bool initializeContextIfNeeded();
-    // Async request to terminate future JavaScript execution on the
-    // worker thread. JavaScript evaluation exits with a
-    // non-continuable exception and WorkerScriptController calls
-    // forbidExecution to prevent further JavaScript execution. Use
-    // forbidExecution()/isExecutionForbidden() to guard against
-    // reentry into JavaScript.
-    void willScheduleExecutionTermination();
-
-    // Used by WorkerGlobalScope:
-    void rethrowExceptionFromImportedScript(PassRefPtrWillBeRawPtr<ErrorEvent>, ExceptionState&);
-    void disableEval(const String&);
-
-    // Used by Inspector agents:
-    ScriptState* scriptState() { return m_scriptState.get(); }
-
-    // Used by V8 bindings:
-    v8::Local<v8::Context> context() { return m_scriptState ? m_scriptState->context() : v8::Local<v8::Context>(); }
-
-    RejectedPromises* rejectedPromises() const { return m_rejectedPromises.get(); }
-
-    DECLARE_TRACE();
-
-    bool isContextInitialized() const { return m_scriptState && !!m_scriptState->perContextData(); }
-
-private:
-    WorkerScriptController(WorkerGlobalScope*, v8::Isolate*);
-    class ExecutionState;
-
-    v8::Isolate* isolate() const;
-
-    // Evaluate a script file in the current execution environment.
-    ScriptValue evaluate(const String& script, const String& fileName, const TextPosition& scriptStartPosition, CachedMetadataHandler*, V8CacheOptions);
-
-    RawPtrWillBeMember<WorkerGlobalScope> m_workerGlobalScope;
-    RefPtr<ScriptState> m_scriptState;
-    RefPtr<DOMWrapperWorld> m_world;
-    String m_disableEvalPending;
-    bool m_executionForbidden;
-    bool m_executionScheduledToTerminate;
-    mutable Mutex m_scheduledTerminationMutex;
-
-    RefPtrWillBeMember<RejectedPromises> m_rejectedPromises;
-
-    // |m_executionState| refers to a stack object that evaluate() allocates;
-    // evaluate() ensuring that the pointer reference to it is removed upon
-    // returning. Hence kept as a bare pointer here, and not a Persistent with
-    // Oilpan enabled; stack scanning will visit the object and
-    // trace its on-heap fields.
-    GC_PLUGIN_IGNORE("394615")
-    ExecutionState* m_executionState;
-};
-
-} // namespace blink
-
-#endif // WorkerScriptController_h