[NotLanded] Implement the fetching algorithm of the Web Manifest.

Source/web/WebLocalFrameImpl.cpp

 /*
  * Copyright (C) 2009 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 99 matching lines @@
 #include "core/html/HTMLInputElement.h"
 #include "core/html/HTMLLinkElement.h"
 #include "core/html/PluginDocument.h"
 #include "core/inspector/ConsoleMessage.h"
 #include "core/inspector/InspectorController.h"
 #include "core/inspector/ScriptCallStack.h"
 #include "core/loader/DocumentLoader.h"
 #include "core/loader/FrameLoadRequest.h"
 #include "core/loader/FrameLoader.h"
 #include "core/loader/HistoryItem.h"
+#include "core/loader/ManifestLoader.h"
 #include "core/loader/SubstituteData.h"
 #include "core/page/Chrome.h"
 #include "core/page/EventHandler.h"
 #include "core/page/FocusController.h"
 #include "core/page/FrameTree.h"
 #include "core/page/Page.h"
 #include "core/page/PrintContext.h"
 #include "core/rendering/HitTestResult.h"
 #include "core/rendering/RenderBox.h"
 #include "core/rendering/RenderFrame.h"
@@ skipping 1374 matching lines @@
 }
 
 WebString WebLocalFrameImpl::layerTreeAsText(bool showDebugInfo) const
 {
     if (!frame())
         return WebString();
 
     return WebString(frame()->layerTreeAsText(showDebugInfo ? LayerTreeIncludesDebugInfo : LayerTreeNormal));
 }
 
+void WebLocalFrameImpl::requestManifest()
+{
+    if (!frame()) {
+        ASSERT(m_client);
+        m_client->didFailLoadManifest(this, WebManifestError::NoManifest);
+        return;
+    }
+
+    ManifestLoader::loadManifest(PassRefPtr<LocalFrame>(m_frame));
+}
+
 // WebLocalFrameImpl public ---------------------------------------------------------
 
 WebLocalFrame* WebLocalFrame::create(WebFrameClient* client)
 {
     return WebLocalFrameImpl::create(client);
 }
 
 WebLocalFrameImpl* WebLocalFrameImpl::create(WebFrameClient* client)
 {
     return adoptRef(new WebLocalFrameImpl(client)).leakRef();
@@ skipping 343 matching lines @@
 
 void WebLocalFrameImpl::invalidateAll() const
 {
     ASSERT(frame() && frame()->view());
     FrameView* view = frame()->view();
     view->invalidateRect(view->frameRect());
     invalidateScrollbar();
 }
 
 } // namespace blink