Introduce PendingScript::startStreamingIfPossible()

third_party/WebKit/Source/core/dom/PendingScript.cpp

 /*
  * Copyright (C) 2010 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "core/dom/PendingScript.h"
 
 #include "bindings/core/v8/ScriptSourceCode.h"
+#include "bindings/core/v8/ScriptState.h"
+#include "bindings/core/v8/V8Binding.h"
+#include "core/dom/Document.h"
 #include "core/dom/ScriptElementBase.h"
+#include "core/dom/TaskRunnerHelper.h"
+#include "core/frame/LocalFrame.h"
 #include "core/frame/SubresourceIntegrity.h"
 #include "platform/SharedBuffer.h"
 #include "wtf/CurrentTime.h"
 
 namespace blink {
 
 PendingScript* PendingScript::create(ScriptElementBase* element,
                                      ScriptResource* resource) {
   return new PendingScript(element, resource, TextPosition());
 }
@@ skipping 226 matching lines @@
 }
 
 void PendingScript::onPurgeMemory() {
   checkState();
   if (!m_streamer)
     return;
   m_streamer->cancel();
   m_streamer = nullptr;
 }
 
+void PendingScript::startStreamingIfPossible(
+    Document* document,
+    ScriptStreamer::Type streamerType) {
+  if (!document->frame())
+    return;
+
+  ScriptState* scriptState = toScriptStateForMainWorld(document->frame());
+  if (!scriptState)
+    return;
+
+  ScriptStreamer::startStreaming(
+      this, streamerType, document->frame()->settings(), scriptState,
+      TaskRunnerHelper::get(TaskType::Networking, document));
+}
+
 }  // namespace blink