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annevk merged 1 commit into from
Mar 23, 2019
Merged

Remove Client Hints #884

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86 changes: 0 additions & 86 deletions fetch.bs
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Original file line number Diff line number Diff line change
Expand Up @@ -53,14 +53,6 @@ url:https://tools.ietf.org/html/rfc7234#section-1.2.1;text:delta-seconds;type:df
"WSP": {
"aliasOf": "RFC6455"
},
"CLIENT-HINTS": {
"authors": [
"Ilya Grigorik"
],
"href": "https://tools.ietf.org/html/draft-ietf-httpbis-client-hints",
"publisher": "IETF",
"title": "HTTP Client Hints"
},
"HTTPVERBSEC1": {
"publisher": "US-CERT",
"href": "https://www.kb.cert.org/vuls/id/867593",
Expand Down Expand Up @@ -697,14 +689,6 @@ fetch("https://victim.example/naïve-endpoint", {
</code></pre>
</div>

<dt>`<code><a href=http://httpwg.org/http-extensions/client-hints.html#dpr>DPR</a></code>`
<dt>`<code><a href=http://httpwg.org/http-extensions/client-hints.html#downlink>Downlink</a></code>`
<dt>`<code><a href=http://httpwg.org/http-extensions/client-hints.html#save-data>Save-Data</a></code>`
<dt>`<code><a href=http://httpwg.org/http-extensions/client-hints.html#viewport-width>Viewport-Width</a></code>`
<dt>`<code><a href=http://httpwg.org/http-extensions/client-hints.html#width>Width</a></code>`
<dd><p>If <var>value</var>, <a lt="extract header values">once extracted</a>, is failure, then
return false.

<dt>Otherwise
<dd><p>Return false.
</dl>
Expand Down Expand Up @@ -1311,16 +1295,6 @@ to not have to set <a for=/>request</a>'s <a for=request>referrer</a>.
<p class="note no-backref">This can be used to override a referrer policy associated with an
<a>environment settings object</a>.


<p>A <a for=/>request</a> has an associated
<dfn export for=request id=concept-request-client-hints-list>client hints list</dfn>,
which is a <a lt="client hints list" for=client>client-hints list</a>. Unless stated
otherwise, it is the empty list.

<p class="note no-backref">This will be used to override a client hints list associated with
an <a>environment settings object</a>.
[[!CLIENT-HINTS]]

<p>A <a for=/>request</a> has an associated
<dfn id=synchronous-flag export for=request>synchronous flag</dfn>. Unless stated otherwise it is
unset.
Expand Down Expand Up @@ -2141,19 +2115,6 @@ run these steps:
</ol>


<h3 id=client-hints-list>Client hints list</h3>

<p class=note>This section will be integrated into HTTP Client Hints.
[[!CLIENT-HINTS]]
<!-- XXX -->

<p>A <dfn export id=concept-client-hints-list for=client>client hints list</dfn> is a
<a for=/>list</a> of
<a href=http://httpwg.org/http-extensions/client-hints.html#accept-ch>Client hint tokens</a>, each
of which is one of `<code>DPR</code>`, `<code>Save-Data</code>`, `<code>Viewport-Width</code>`, or
`<code>Width</code>`.


<h3 id=streams>Streams</h3>

<p class="note no-backref">This section might be integrated into other standards, such as IDL.
Expand Down Expand Up @@ -3145,57 +3106,10 @@ the request.
for HTTP/2, and equivalent information used to prioritize dispatch and processing of
HTTP/1 fetches.

<li>
<p>If <var>request</var> is a <a>navigation request</a>, a user agent should, for each
<a for=/>header</a> <a for=header>name</a> (<var>hintName</var>) in the first column of the
following table, if <var>request</var>'s <a for=request>header list</a>
<a for="header list">does not contain</a> <var>hintName</var>, then
<a for="header list">append</a>
<var>hintName</var>/the value given in the same row on the second column, to
<var>request</var>'s <a for=request>header list</a>.

<table>
<tbody><tr>
<th><a for=header>Name</a>
<th><a for=header>Value</a>
<tr>
<td>`<code>DPR</code>`
<td>a suitable <a href=http://httpwg.org/http-extensions/client-hints.html#dpr>dpr value</a>
<tr>
<td>`<code>Save-Data</code>`
<td>a suitable <a href=http://httpwg.org/http-extensions/client-hints.html#save-data>save-data value</a>
<tr>
<td>`<code>Viewport-Width</code>`
<td>a suitable <a href=http://httpwg.org/http-extensions/client-hints.html#viewport-width>viewport-width value</a>
</table>

<li>
<p>If <var>request</var> is a <a>subresource request</a>, then:

<ol>
<li>
<p><a for=list>For each</a> <var>hintName</var> of <var>request</var>'s
<a for=client>client hints list</a>:

<ol>
<li>
<p>Let <var>value</var> be the first matching statement, switching on <var>hintName</var>:

<dl class=switch>
<dt>`<code>DPR</code>`
<dd>a suitable <a href=http://httpwg.org/http-extensions/client-hints.html#dpr>dpr value</a>
<dt>`<code>Save-Data</code>`
<dd>a suitable <a href=http://httpwg.org/http-extensions/client-hints.html#save-data>save-data value</a>
<dt>`<code>Viewport-Width</code>`
<dd>a suitable <a href=http://httpwg.org/http-extensions/client-hints.html#viewport-width>viewport-width value</a>
<dt>`<code>Width</code>`
<dd>a suitable <a href=http://httpwg.org/http-extensions/client-hints.html#width>width value</a>
</dl>

<li><p>A user agent should <a for="header list">append</a>
<var>hintName</var>/<var>value</var> to <var>request</var>'s <a for=request>header list</a>.
</ol>

<li><p>Let <var>record</var> be a new
<a for="fetch group">fetch record</a> consisting of
<var>request</var> and this instance of the
Expand Down