Split content script injections into multiple tasks

third_party/WebKit/Source/web/SuspendableScriptExecutor.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 SuspendableScriptExecutor_h
 #define SuspendableScriptExecutor_h
 
 #include "core/frame/SuspendableTimer.h"
 #include "platform/heap/Handle.h"
 #include "platform/heap/SelfKeepAlive.h"
 #include "v8/include/v8.h"
 #include "wtf/Vector.h"
 
 namespace blink {
 
 class LocalFrame;
 class ScriptSourceCode;
 class ScriptState;
 class WebScriptExecutionCallback;
 
 class SuspendableScriptExecutor final
     : public GarbageCollectedFinalized<SuspendableScriptExecutor>,
       public SuspendableTimer {
   USING_GARBAGE_COLLECTED_MIXIN(SuspendableScriptExecutor);
 
  public:
-  static void createAndRun(LocalFrame*,
-                           int worldID,
-                           const HeapVector<ScriptSourceCode>& sources,
-                           bool userGesture,
-                           WebScriptExecutionCallback*);
+  enum BlockingOption { NonBlocking, OnloadBlocking };
+
+  static SuspendableScriptExecutor* create(
+      LocalFrame*,
+      int worldID,
+      const HeapVector<ScriptSourceCode>& sources,
+      bool userGesture,
+      WebScriptExecutionCallback*);
   static void createAndRun(LocalFrame*,
                            v8::Isolate*,
                            v8::Local<v8::Context>,
                            v8::Local<v8::Function>,
                            v8::Local<v8::Value> receiver,
                            int argc,
                            v8::Local<v8::Value> argv[],
                            WebScriptExecutionCallback*);
   ~SuspendableScriptExecutor() override;
 
+  void run();
+  void runAsync(BlockingOption);
   void contextDestroyed(ExecutionContext*) override;
 
   DECLARE_VIRTUAL_TRACE();
 
   class Executor : public GarbageCollectedFinalized<Executor> {
    public:
     virtual ~Executor() {}
 
     virtual Vector<v8::Local<v8::Value>> execute(LocalFrame*) = 0;
 
     DEFINE_INLINE_VIRTUAL_TRACE(){};
   };
 
  private:
   SuspendableScriptExecutor(LocalFrame*,
                             ScriptState*,
                             WebScriptExecutionCallback*,
                             Executor*);
 
   void fired() override;
 
-  void run();
   void executeAndDestroySelf();
   void dispose();
 
   RefPtr<ScriptState> m_scriptState;
   WebScriptExecutionCallback* m_callback;
+  BlockingOption m_blockingOption;
 
   SelfKeepAlive<SuspendableScriptExecutor> m_keepAlive;
 
   Member<Executor> m_executor;
 };
 
 }  // namespace blink
 
 #endif  // SuspendableScriptExecutor_h