Teach ContentSecurityPolicy about WebURLRequest::RequestContext.

Source/core/frame/csp/ContentSecurityPolicy.h

Index: Source/core/frame/csp/ContentSecurityPolicy.h
diff --git a/Source/core/frame/csp/ContentSecurityPolicy.h b/Source/core/frame/csp/ContentSecurityPolicy.h
index cc1b279e8d02a70c69937953ec9b9bbda8011f78..b8b6b2d49c76dfb7552e3185ce16d66eba348f55 100644
--- a/Source/core/frame/csp/ContentSecurityPolicy.h
+++ b/Source/core/frame/csp/ContentSecurityPolicy.h
@@ -31,6 +31,7 @@
 #include "platform/network/ContentSecurityPolicyParsers.h"
 #include "platform/network/HTTPParsers.h"
 #include "platform/weborigin/ReferrerPolicy.h"
+#include "public/platform/WebURLRequest.h"
 #include "wtf/HashSet.h"
 #include "wtf/PassOwnPtr.h"
 #include "wtf/PassRefPtr.h"
@@ -110,6 +111,8 @@ public:
     bool allowEval(ScriptState* = 0, ReportingStatus = SendReport) const;
     bool allowPluginType(const String& type, const String& typeAttribute, const KURL&, ReportingStatus = SendReport) const;
 
+    bool allowFromSource(const KURL&, blink::WebURLRequest::RequestContext, ReportingStatus = SendReport) const;
+
     bool allowScriptFromSource(const KURL&, ReportingStatus = SendReport) const;
     bool allowObjectFromSource(const KURL&, ReportingStatus = SendReport) const;
     bool allowChildFrameFromSource(const KURL&, ReportingStatus = SendReport) const;