ScriptController: Expose methods to compile a script and execute a compiled script.

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

+// 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.
+
+#ifndef CompiledScript_h
+#define CompiledScript_h
+
+#include "bindings/core/v8/ScriptSourceCode.h"
+#include "platform/heap/GarbageCollected.h"
+#include "wtf/Assertions.h"
+#include "wtf/text/TextPosition.h"
+
+#include <v8.h>
+
+namespace blink {
+
+// This wraps a global handle on a V8 object (the compiled script).
+// Because that script may contain further references to other objects, do not
+// keep long-lasting references to this object, as they may induce cycles
+// between V8 and Oilpan.
+class CompiledScript : public GarbageCollectedFinalized<CompiledScript> {
+ public:
+  CompiledScript(v8::Isolate* isolate,
+                 v8::Local<v8::Script> script,
+                 const ScriptSourceCode& sourceCode)
+      : m_sourceCode(sourceCode), m_script(isolate, script) {
+    DCHECK(!script.IsEmpty());
+  }
+
+  v8::Local<v8::Script> script(v8::Isolate* isolate) const {
+    return m_script.Get(isolate);
+  }
+
+  const ScriptSourceCode& sourceCode() const { return m_sourceCode; }
+  const KURL& url() const { return m_sourceCode.url(); }
+  const TextPosition& startPosition() const {
+    return m_sourceCode.startPosition();
+  }
+
+  DEFINE_INLINE_TRACE() { visitor->trace(m_sourceCode); }
+
+ private:
+  ScriptSourceCode m_sourceCode;
+  v8::Global<v8::Script> m_script;
+};
+
+}  // namespace blink
+
+#endif  // CompiledScript_h