Reland of Split PendingScript into PendingScript and ClassicPendingScript

third_party/WebKit/Source/bindings/core/v8/ScriptStreamerImpl.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 ScriptStreamerImpl_h
 #define ScriptStreamerImpl_h
 
 #include <memory>
 
 #include "bindings/core/v8/ScriptStreamer.h"
 #include "core/CoreExport.h"
+#include "platform/WebTaskRunner.h"
 #include "platform/heap/Handle.h"
 #include "platform/wtf/Noncopyable.h"
 #include "platform/wtf/text/WTFString.h"
 #include "v8/include/v8.h"
 
 namespace blink {
 
-class PendingScript;
+class ClassicPendingScript;
 class Resource;
 class ScriptResource;
 class ScriptState;
 class Settings;
 class SourceStream;
-class WebTaskRunner;
 
 class CORE_EXPORT ScriptStreamerImpl final : public ScriptStreamer {
   WTF_MAKE_NONCOPYABLE(ScriptStreamerImpl);
 
  public:
   ~ScriptStreamerImpl();
   DECLARE_TRACE();
 
   // Launches a task (on a background thread) which will stream the given
-  // PendingScript into V8 as it loads.
-  static void StartStreaming(PendingScript*,
+  // ClassicPendingScript into V8 as it loads.
+  static void StartStreaming(ClassicPendingScript*,
                              Type,
                              Settings*,
                              ScriptState*,
                              RefPtr<WebTaskRunner>);
 
   // Returns false if we cannot stream the given encoding.
   static bool ConvertEncoding(const char* encoding_name,
                               v8::ScriptCompiler::StreamedSource::Encoding*);
 
   v8::ScriptCompiler::StreamedSource* Source() override {
@@ skipping 15 matching lines @@
   static void SetSmallScriptThresholdForTesting(size_t threshold) {
     small_script_threshold_ = threshold;
   }
 
  private:
   // Scripts whose first data chunk is smaller than this constant won't be
   // streamed. Non-const for testing.
   static size_t small_script_threshold_;
 
   static ScriptStreamerImpl* Create(
-      PendingScript* script,
+      ClassicPendingScript* script,
       Type script_type,
       ScriptState* script_state,
       v8::ScriptCompiler::CompileOptions compile_options,
       RefPtr<WebTaskRunner> loading_task_runner) {
     return new ScriptStreamerImpl(script, script_type, script_state,
                                   compile_options,
                                   std::move(loading_task_runner));
   }
-  ScriptStreamerImpl(PendingScript*,
+  ScriptStreamerImpl(ClassicPendingScript*,
                      Type,
                      ScriptState*,
                      v8::ScriptCompiler::CompileOptions,
                      RefPtr<WebTaskRunner>);
 
   void StreamingComplete();
   void NotifyFinishedToClient();
 
   bool IsFinished() const override;
   bool StreamingSuppressed() const override { return streaming_suppressed_; }
   void NotifyAppendData(ScriptResource*) override;
   void NotifyFinished(Resource*) override;
   void Cancel() override;
 
-  static bool StartStreamingInternal(PendingScript*,
+  static bool StartStreamingInternal(ClassicPendingScript*,
                                      Type,
                                      Settings*,
                                      ScriptState*,
                                      RefPtr<WebTaskRunner>);
 
-  Member<PendingScript> pending_script_;
-  // This pointer is weak. If PendingScript and its Resource are deleted
-  // before ScriptStreamer, PendingScript will notify ScriptStreamer of its
-  // deletion by calling cancel().
+  Member<ClassicPendingScript> pending_script_;
+  // This pointer is weak. If ClassicPendingScript and its Resource are deleted
+  // before ScriptStreamer, ClassicPendingScript will notify ScriptStreamer of
+  // its deletion by calling cancel().
   Member<ScriptResource> resource_;
   // Whether ScriptStreamer is detached from the Resource. In those cases, the
   // script data is not needed any more, and the client won't get notified
   // when the loading and streaming are done.
   bool detached_;
 
   SourceStream* stream_;
   std::unique_ptr<v8::ScriptCompiler::StreamedSource> source_;
   bool loading_finished_;  // Whether loading from the network is done.
   bool parsing_finished_;  // Whether the V8 side processing is done.
@@ skipping 20 matching lines @@
 
   // Encoding of the streamed script. Saved for sanity checking purposes.
   v8::ScriptCompiler::StreamedSource::Encoding encoding_;
 
   RefPtr<WebTaskRunner> loading_task_runner_;
 };
 
 }  // namespace blink
 
 #endif  // ScriptStreamer_h