WIP: Reland CompiledScript, prototype compiling in a separate task.

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

 /*
  * Copyright (C) 2008, 2009 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
@@ skipping 29 matching lines @@
 #include "platform/loader/fetch/AccessControlStatus.h"
 #include "platform/loader/fetch/CrossOriginAccessControl.h"
 #include "v8/include/v8.h"
 #include "wtf/HashMap.h"
 #include "wtf/Noncopyable.h"
 #include "wtf/Vector.h"
 #include "wtf/text/TextPosition.h"
 
 namespace blink {
 
+class CompiledScript;
 class DOMWrapperWorld;
 class Element;
 class FrameViewBase;
 class KURL;
 class ScriptSourceCode;
 class SecurityOrigin;
 
 typedef WTF::Vector<v8::Extension*> V8Extensions;
 
 
@@ skipping 24 matching lines @@
   void executeScriptInMainWorld(const ScriptSourceCode&,
                                 AccessControlStatus = NotSharableCrossOrigin);
   v8::Local<v8::Value> executeScriptInMainWorldAndReturnValue(
       const ScriptSourceCode&,
       ExecuteScriptPolicy = DoNotExecuteScriptWhenScriptsDisabled);
   v8::Local<v8::Value> executeScriptAndReturnValue(
       v8::Local<v8::Context>,
       const ScriptSourceCode&,
       AccessControlStatus = NotSharableCrossOrigin);
 
+  // The same, but separated into two phases.
+  // compileScriptInMainWorld may return nullptr.
+  CompiledScript* compileScriptInMainWorld(const ScriptSourceCode&,
+                                           AccessControlStatus);
+  void executeScriptInMainWorld(const CompiledScript&);
+
   // Executes JavaScript in an isolated world. The script gets its own global
   // scope, its own prototypes for intrinsic JavaScript objects (String, Array,
   // and so-on), and its own wrappers for all DOM nodes and DOM constructors.
   //
   // If an isolated world with the specified ID already exists, it is reused.
   // Otherwise, a new world is created.
   //
   // FIXME: We don't want to support multiple scripts.
   void executeScriptInIsolatedWorld(int worldID,
                                     const HeapVector<ScriptSourceCode>& sources,
@@ skipping 41 matching lines @@
   v8::Local<v8::Value> evaluateScriptInMainWorld(const ScriptSourceCode&,
                                                  AccessControlStatus,
                                                  ExecuteScriptPolicy);
 
   Member<LocalWindowProxyManager> m_windowProxyManager;
 };
 
 }  // namespace blink
 
 #endif  // ScriptController_h