DevTools: Add support for adding folders to workspace with drag and drop (renderer part)

Source/core/inspector/InspectorFrontendHost.cpp

 /*
  * Copyright (C) 2007, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Matt Lilek <webkit@mattlilek.com>
  *
  * 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.
@@ skipping 196 matching lines @@
     Color color = RenderTheme::theme().activeSelectionForegroundColor();
     return color.isValid() ? color.serialized() : "";
 }
 
 PassRefPtr<DOMFileSystem> InspectorFrontendHost::isolatedFileSystem(const String& fileSystemName, const String& rootURL)
 {
     ExecutionContext* context = m_frontendPage->mainFrame()->document();
     return DOMFileSystem::create(context, fileSystemName, FileSystemTypeIsolated, KURL(ParsedURLString, rootURL));
 }
 
+void InspectorFrontendHost::upgradeDraggedFileSystemPermissions(DOMFileSystem* domFileSystem)
+{
+    if (!m_client)
+        return;
+    RefPtr<JSONObject> message = JSONObject::create();
+    message->setNumber("id", 0);
+    message->setString("method", "upgradeDraggedFileSystemPermissions");
+    RefPtr<JSONArray> params = JSONArray::create();
+    message->setArray("params", params);
+    params->pushString(domFileSystem->rootURL().string());
+    sendMessageToEmbedder(message->toJSONString());
+}
+
 bool InspectorFrontendHost::isUnderTest()
 {
     return m_client && m_client->isUnderTest();
 }
 
 } // namespace WebCore