Initial Implementation of Iframe Attribute for Feature Policy (Part 1)

third_party/WebKit/public/platform/WebFeaturePolicy.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef WebFeaturePolicy_h
 #define WebFeaturePolicy_h
 
 #include "WebSecurityOrigin.h"
 #include "WebString.h"
 #include "WebVector.h"
+#if INSIDE_BLINK
+#include "wtf/HashSet.h"
+#endif
 
 namespace blink {
 
 // These values map to the features which can be controlled by Feature Policy.
 // TODO(iclelland): Link to the spec where the behaviour for each of these is
 // defined.
 enum class WebFeaturePolicyFeature {
   NotFound = 0,
   // Controls access to document.cookie attribute.
   DocumentCookie,
@@ skipping 33 matching lines @@
   WebVector<WebSecurityOrigin> origins;
 };
 
 // Used in Blink code to represent parsed headers. Used for IPC between renderer
 // and browser.
 using WebParsedFeaturePolicyHeader =
     WebVector<WebParsedFeaturePolicyDeclaration>;
 
 }  // namespace blink
 
+#if INSIDE_BLINK
+namespace WTF {
+
+template <>
+struct DefaultHash<blink::WebFeaturePolicyFeature> {
+  STATIC_ONLY(DefaultHash);
+  using Hash = IntHash<blink::WebFeaturePolicyFeature>;
+};
+
+template <>
+struct HashTraits<blink::WebFeaturePolicyFeature>
+    : GenericHashTraits<blink::WebFeaturePolicyFeature> {
+  STATIC_ONLY(HashTraits);
+  static bool isDeletedValue(const blink::WebFeaturePolicyFeature& value) {
+    return value == static_cast<blink::WebFeaturePolicyFeature>(-1);
+  }
+  static void constructDeletedValue(blink::WebFeaturePolicyFeature& slot,
+                                    bool) {
+    slot = static_cast<blink::WebFeaturePolicyFeature>(-1);
+  }
+};
+
+}  // namespace WTF
+#endif
+
 #endif  // WebFeaturePolicy_h