Add Permissions-Policy header

benches/header_map/basic.rs

@@ -565,6 +565,7 @@ const STD: &'static [HeaderName] = &[
     LOCATION,
     MAX_FORWARDS,
     ORIGIN,
+    PERMISSIONS_POLICY,
     PRAGMA,
     PROXY_AUTHENTICATE,
     PROXY_AUTHORIZATION,

src/header/mod.rs

@@ -130,6 +130,7 @@ pub use self::name::{
     LOCATION,
     MAX_FORWARDS,
     ORIGIN,
+    PERMISSIONS_POLICY,
     PRAGMA,
     PROXY_AUTHENTICATE,
     PROXY_AUTHORIZATION,

src/header/name.rs

@@ -714,6 +714,14 @@ standard_headers! {
     /// whole path.
     (Origin, ORIGIN, b"origin");
 
+    /// Allows selectively enabling and disabling use of various browser features
+    /// and APIs.
+    ///
+    /// Permissions Policy is a web platform API which gives a website the
+    /// ability to allow or block the use of browser features in it's own
+    /// frame or in iframes that it embeds.
+    (PermissionsPolicy, PERMISSIONS_POLICY, b"permissions-policy");
+
     /// HTTP/1.0 header usually used for backwards compatibility.
     ///
     /// The Pragma HTTP/1.0 general header is an implementation-specific header

tests/header_map.rs

@@ -375,6 +375,7 @@ const STD: &'static [HeaderName] = &[
     LOCATION,
     MAX_FORWARDS,
     ORIGIN,
+    PERMISSIONS_POLICY,
     PRAGMA,
     PROXY_AUTHENTICATE,
     PROXY_AUTHORIZATION,

tests/header_map_fuzz.rs

@@ -310,6 +310,7 @@ fn gen_header_name(g: &mut StdRng) -> HeaderName {
         header::LOCATION,
         header::MAX_FORWARDS,
         header::ORIGIN,
+        header::PERMISSIONS_POLICY,
         header::PRAGMA,
         header::PROXY_AUTHENTICATE,
         header::PROXY_AUTHORIZATION,