Mixed Content: Implement strict mode.

Source/core/frame/csp/ContentSecurityPolicy.h

 /*
  * 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 44 matching lines @@
 class KURL;
 class SecurityOrigin;
 
 typedef int SandboxFlags;
 typedef Vector<OwnPtr<CSPDirectiveList> > CSPDirectiveListVector;
 typedef WillBePersistentHeapVector<RefPtrWillBeMember<ConsoleMessage> > ConsoleMessageVector;
 
 class ContentSecurityPolicy : public RefCounted<ContentSecurityPolicy> {
     WTF_MAKE_FAST_ALLOCATED;
 public:
-    // CSP 1.0 Directives
+    // CSP Level 1 Directives
     static const char ConnectSrc[];
     static const char DefaultSrc[];
     static const char FontSrc[];
     static const char FrameSrc[];
     static const char ImgSrc[];
     static const char MediaSrc[];
     static const char ObjectSrc[];
     static const char ReportURI[];
     static const char Sandbox[];
     static const char ScriptSrc[];
     static const char StyleSrc[];
 
     // CSP Level 2 Directives
     static const char BaseURI[];
     static const char ChildSrc[];
     static const char FormAction[];
     static const char FrameAncestors[];
     static const char PluginTypes[];
     static const char ReflectedXSS[];
     static const char Referrer[];
 
     // Manifest Directives (to be merged into CSP Level 2)
     // https://w3c.github.io/manifest/#content-security-policy
     static const char ManifestSrc[];
 
+    // Mixed Content Directive
+    // https://w3c.github.io/webappsec/specs/mixedcontent/#strict-mode
+    static const char StrictMixedContentChecking[];
+
     enum ReportingStatus {
         SendReport,
         SuppressReport
     };
 
     static PassRefPtr<ContentSecurityPolicy> create()
     {
         return adoptRef(new ContentSecurityPolicy());
     }
     ~ContentSecurityPolicy();
@@ skipping 67 matching lines @@
     void reportInvalidPluginTypes(const String&);
     void reportInvalidSandboxFlags(const String&);
     void reportInvalidSourceExpression(const String& directiveName, const String& source);
     void reportInvalidReflectedXSS(const String&);
     void reportMissingReportURI(const String&);
     void reportUnsupportedDirective(const String&);
     void reportInvalidInReportOnly(const String&);
     void reportInvalidReferrer(const String&);
     void reportReportOnlyInMeta(const String&);
     void reportMetaOutsideHead(const String&);
+    void reportValueForEmptyDirective(const String& directiveName, const String& value);
 
     // If a frame is passed in, the report will be sent using it as a context. If no frame is
     // passed in, the report will be sent via this object's |m_executionContext| (or dropped
     // on the floor if no such context is available).
     void reportViolation(const String& directiveText, const String& effectiveDirective, const String& consoleMessage, const KURL& blockedURL, const Vector<String>& reportEndpoints, const String& header, LocalFrame* = 0);
 
     void reportBlockedScriptExecutionToInspector(const String& directiveText) const;
 
     const KURL url() const;
     void enforceSandboxFlags(SandboxFlags);
+    void enforceStrictMixedContentChecking();
     String evalDisabledErrorMessage() const;
 
     bool urlMatchesSelf(const KURL&) const;
     bool protocolMatchesSelf(const KURL&) const;
 
     bool experimentalFeaturesEnabled() const;
 
     static bool shouldBypassMainWorld(const ExecutionContext*);
 
     static bool isDirectiveName(const String&);
@@ skipping 21 matching lines @@
     HashSet<unsigned, AlreadyHashed> m_violationReportsSent;
 
     // We put the hash functions used on the policy object so that we only need
     // to calculate a hash once and then distribute it to all of the directives
     // for validation.
     uint8_t m_scriptHashAlgorithmsUsed;
     uint8_t m_styleHashAlgorithmsUsed;
 
     // State flags used to configure the environment after parsing a policy.
     SandboxFlags m_sandboxMask;
+    bool m_enforceStrictMixedContentChecking;
     ReferrerPolicy m_referrerPolicy;
     String m_disableEvalErrorMessage;
 
     OwnPtr<CSPSource> m_selfSource;
     String m_selfProtocol;
 };
 
 }
 
 #endif