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
index 8213766fb9fa0e007989d39bd31dfdccdc60292d..4df0df406db86a6f7ef457ebdfca74dab06319d6 100644
--- a/third_party/WebKit/Source/bindings/core/v8/WorkerScriptController.h
+++ b/third_party/WebKit/Source/bindings/core/v8/WorkerScriptController.h
@@ -1,126 +1,41 @@
-/*
- * 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.
- */
+// Copyright 2015 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 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>
+#include "bindings/core/v8/GlobalScopeScriptController.h"
 
 namespace blink {
 
-class CachedMetadataHandler;
 class ErrorEvent;
-class ExceptionState;
-class ScriptSourceCode;
+class ScriptCallStack;
 class WorkerGlobalScope;
 
-class CORE_EXPORT WorkerScriptController : public NoBaseWillBeGarbageCollectedFinalized<WorkerScriptController> {
+class CORE_EXPORT WorkerScriptController final : public GlobalScopeScriptController {
     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 WorkerGlobalScopeExecutionState;
 
-    v8::Isolate* isolate() const;
+    void didStopRunLoop() final;
+    v8::Isolate* isolate() const final;
+    bool isContextThread() const final;
 
-    // Evaluate a script file in the current execution environment.
-    ScriptValue evaluate(const String& script, const String& fileName, const TextPosition& scriptStartPosition, CachedMetadataHandler*, V8CacheOptions);
+    const WrapperTypeInfo* wrapperTypeInfoForGlobalScope() const final;
+    v8::Local<v8::Object> associateGlobalScopeWithWrapper(const WrapperTypeInfo*, v8::Local<v8::Object> wrapper) final;
+    v8::MaybeLocal<v8::Value> runCompiledScript(v8::Local<v8::Script>) final;
 
-    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;
+    bool shouldSanitizeScriptError(const String& sourceURL, AccessControlStatus) final;
+    void reportException(PassRefPtrWillBeRawPtr<ErrorEvent>, int scriptId, PassRefPtrWillBeRawPtr<ScriptCallStack>, AccessControlStatus) final;
 
-    // |m_globalScopeExecutionState| 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")
-    WorkerGlobalScopeExecutionState* m_globalScopeExecutionState;
+    RawPtrWillBeMember<WorkerGlobalScope> m_workerGlobalScope;
 };
 
 } // namespace blink