Reland of Split PendingScript into PendingScript and ClassicPendingScript

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

 // Copyright 2014 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 ScriptStreamer_h
 #define ScriptStreamer_h
 
 #include <memory>
 
 #include "core/CoreExport.h"
 #include "platform/heap/Handle.h"
 #include "platform/wtf/Noncopyable.h"
 #include "v8/include/v8.h"
 
 namespace blink {
 
 class Resource;
 class ScriptResource;
 
 // ScriptStreamer streams incomplete script data to V8 so that it can be parsed
-// while it's loaded. PendingScript holds a reference to ScriptStreamer. At the
-// moment, ScriptStreamer is only used for parser blocking scripts; this means
-// that the Document stays stable and no other scripts are executing while we're
-// streaming. It is possible, though, that Document and the PendingScript are
-// destroyed while the streaming is in progress, and ScriptStreamer handles it
-// gracefully.
+// while it's loaded. ClassicPendingScript holds a reference to ScriptStreamer.
+// At the moment, ScriptStreamer is only used for parser blocking scripts; this
+// means that the Document stays stable and no other scripts are executing
+// while we're streaming. It is possible, though, that Document and the
+// ClassicPendingScript are destroyed while the streaming is in progress, and
+// ScriptStreamer handles it gracefully.
 //
 // ScriptStreamer is abstract just to implement unit tests. ScriptStreamerImpl
 // is the only subclass in non-test code that implements the functionality.
 class CORE_EXPORT ScriptStreamer
     : public GarbageCollectedFinalized<ScriptStreamer> {
   WTF_MAKE_NONCOPYABLE(ScriptStreamer);
 
  public:
   enum Type { kParsingBlocking, kDeferred, kAsync };
 
@@ skipping 22 matching lines @@
   virtual bool StreamingSuppressed() const = 0;
 
   // Called by ClassicPendingScript when data arrives from the network.
   virtual void NotifyAppendData(ScriptResource*) = 0;
   virtual void NotifyFinished(Resource*) = 0;
 };
 
 }  // namespace blink
 
 #endif  // ScriptStreamer_h