CSP: Permit exempting schemes only for certain policy areas.

Source/core/testing/Internals.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  * Copyright (C) 2013 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.
@@ skipping 1750 matching lines @@
         mediaElement->connectedToRemoteDevice();
     else
         mediaElement->disconnectedFromRemoteDevice();
 }
 
 void Internals::registerURLSchemeAsBypassingContentSecurityPolicy(const String& scheme)
 {
     SchemeRegistry::registerURLSchemeAsBypassingContentSecurityPolicy(scheme);
 }
 
+void Internals::registerURLSchemeAsBypassingContentSecurityPolicy(const String& scheme, const Vector<String>& policyAreas)
+{
+    uint32_t policyAreasEnum = SchemeRegistry::PolicyAreaNone;
+    for (const auto& policyArea : policyAreas) {
+        if (policyArea == "img")
+            policyAreasEnum |= SchemeRegistry::PolicyAreaImage;
+        else if (policyArea == "style")
+            policyAreasEnum |= SchemeRegistry::PolicyAreaStyle;
+    }
+    SchemeRegistry::registerURLSchemeAsBypassingContentSecurityPolicy(
+        scheme, static_cast<SchemeRegistry::PolicyAreas>(policyAreasEnum));
+}
+
 void Internals::removeURLSchemeRegisteredAsBypassingContentSecurityPolicy(const String& scheme)
 {
     SchemeRegistry::removeURLSchemeRegisteredAsBypassingContentSecurityPolicy(scheme);
 }
 
 TypeConversions* Internals::typeConversions() const
 {
     return TypeConversions::create();
 }
 
@@ skipping 555 matching lines @@
     }
     toHTMLPlugInElement(element)->setPlaceholder(DictionaryPluginPlaceholder::create(element->document(), options));
 }
 
 Iterator* Internals::iterator(ScriptState* scriptState, ExceptionState& exceptionState)
 {
     return new InternalsIterator;
 }
 
 } // namespace blink