Allow accessing data URL resource using CORS

Source/platform/weborigin/SchemeRegistry.cpp

 /*
  * Copyright (C) 2010 Apple 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
@@ skipping 117 matching lines @@
 }
 
 static URLSchemesMap& CORSEnabledSchemes()
 {
     // FIXME: http://bugs.webkit.org/show_bug.cgi?id=77160
     DEFINE_STATIC_LOCAL(URLSchemesMap, CORSEnabledSchemes, ());
 
     if (CORSEnabledSchemes.isEmpty()) {
         CORSEnabledSchemes.add("http");
         CORSEnabledSchemes.add("https");
+        CORSEnabledSchemes.add("data");
     }
 
     return CORSEnabledSchemes;
 }
 
 static URLSchemesMap& ContentSecurityPolicyBypassingSchemes()
 {
     DEFINE_STATIC_LOCAL(URLSchemesMap, schemes, ());
     return schemes;
 }
@@ skipping 118 matching lines @@
 }
 
 bool SchemeRegistry::schemeShouldBypassContentSecurityPolicy(const String& scheme)
 {
     if (scheme.isEmpty())
         return false;
     return ContentSecurityPolicyBypassingSchemes().contains(scheme);
 }
 
 } // namespace WebCore