CSP: Permit exempting schemes only for certain policy areas.

Source/core/frame/csp/ContentSecurityPolicy.cpp

 /*
  * Copyright (C) 2011 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:
  * 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 462 matching lines @@
     return isAllowedByAllWithURL<&CSPDirectiveList::allowObjectFromSource>(m_policies, url, reportingStatus);
 }
 
 bool ContentSecurityPolicy::allowChildFrameFromSource(const KURL& url, ContentSecurityPolicy::ReportingStatus reportingStatus) const
 {
     return isAllowedByAllWithURL<&CSPDirectiveList::allowChildFrameFromSource>(m_policies, url, reportingStatus);
 }
 
 bool ContentSecurityPolicy::allowImageFromSource(const KURL& url, ContentSecurityPolicy::ReportingStatus reportingStatus) const
 {
+    if (SchemeRegistry::schemeShouldBypassContentSecurityPolicy(url.protocol(), SchemeRegistry::PolicyAreaImage))
+        return true;
     return isAllowedByAllWithURL<&CSPDirectiveList::allowImageFromSource>(m_policies, url, reportingStatus);
 }
 
 bool ContentSecurityPolicy::allowStyleFromSource(const KURL& url, ContentSecurityPolicy::ReportingStatus reportingStatus) const
 {
+    if (SchemeRegistry::schemeShouldBypassContentSecurityPolicy(url.protocol(), SchemeRegistry::PolicyAreaStyle))
+        return true;
     return isAllowedByAllWithURL<&CSPDirectiveList::allowStyleFromSource>(m_policies, url, reportingStatus);
 }
 
 bool ContentSecurityPolicy::allowFontFromSource(const KURL& url, ContentSecurityPolicy::ReportingStatus reportingStatus) const
 {
     return isAllowedByAllWithURL<&CSPDirectiveList::allowFontFromSource>(m_policies, url, reportingStatus);
 }
 
 bool ContentSecurityPolicy::allowMediaFromSource(const KURL& url, ContentSecurityPolicy::ReportingStatus reportingStatus) const
 {
@@ skipping 374 matching lines @@
     // Collisions have no security impact, so we can save space by storing only the string's hash rather than the whole report.
     return !m_violationReportsSent.contains(report.impl()->hash());
 }
 
 void ContentSecurityPolicy::didSendViolationReport(const String& report)
 {
     m_violationReportsSent.add(report.impl()->hash());
 }
 
 } // namespace blink