Implement <select> Popup Menu using PagePopup

Source/web/WebPagePopupImpl.cpp

 /*
  * Copyright (C) 2012 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 30 matching lines @@
 #include "core/page/DOMWindowPagePopup.h"
 #include "core/page/EventHandler.h"
 #include "core/page/FocusController.h"
 #include "core/page/Page.h"
 #include "core/page/PagePopupClient.h"
 #include "core/rendering/RenderView.h"
 #include "modules/accessibility/AXObject.h"
 #include "modules/accessibility/AXObjectCacheImpl.h"
 #include "platform/EventDispatchForbiddenScope.h"
 #include "platform/LayoutTestSupport.h"
+#include "platform/ScriptForbiddenScope.h"
 #include "platform/TraceEvent.h"
 #include "platform/heap/Handle.h"
 #include "public/platform/WebCompositeAndReadbackAsyncCallback.h"
 #include "public/platform/WebCursorInfo.h"
 #include "public/web/WebAXObject.h"
 #include "public/web/WebFrameClient.h"
 #include "public/web/WebViewClient.h"
 #include "public/web/WebWidgetClient.h"
 #include "web/WebInputEventConversion.h"
 #include "web/WebLocalFrameImpl.h"
@@ skipping 192 matching lines @@
     if (AXObjectCache* cache = m_popupClient->ownerElement().document().existingAXObjectCache())
         cache->childrenChanged(&m_popupClient->ownerElement());
 
     ASSERT(frame->localDOMWindow());
     DOMWindowPagePopup::install(*frame->localDOMWindow(), m_popupClient);
     ASSERT(m_popupClient->ownerElement().document().existingAXObjectCache() == frame->document()->existingAXObjectCache());
 
     RefPtr<SharedBuffer> data = SharedBuffer::create();
     m_popupClient->writeDocument(data.get());
     frame->loader().load(FrameLoadRequest(0, blankURL(), SubstituteData(data, "text/html", "UTF-8", KURL(), ForceSynchronousLoad)));
+
+    m_popupClient->didWriteDocument(frame->document());
+
     return true;
 }
 
+void WebPagePopupImpl::postMessage(const String& message)
+{
+    if (!m_page)
+        return;
+    ScriptForbiddenScope::AllowUserAgentScript allowScript;
+    LocalDOMWindow* window = toLocalFrame(m_page->mainFrame())->localDOMWindow();
+    if (!window)
+        return;
+    RefPtrWillBeRawPtr<MessageEvent> event = MessageEvent::create(message);
+    window->dispatchEvent(event);
+}
+
 void WebPagePopupImpl::destroyPage()
 {
     if (!m_page)
         return;
 
     m_page->willBeDestroyed();
     m_page.clear();
 }
 
 AXObject* WebPagePopupImpl::rootAXObject()
@@ skipping 194 matching lines @@
     // A WebPagePopupImpl instance usually has two references.
     //  - One owned by the instance itself. It represents the visible widget.
     //  - One owned by a WebViewImpl. It's released when the WebViewImpl ask the
     //    WebPagePopupImpl to close.
     // We need them because the closing operation is asynchronous and the widget
     // can be closed while the WebViewImpl is unaware of it.
     return adoptRef(new WebPagePopupImpl(client)).leakRef();
 }
 
 } // namespace blink