[devtools] Add 'SameParty' cookie attribute to Network.Cookie type

As part of the "First Party Sets" privacy effort, cookies get a new
boolean attribute 'SameParty'. The attribute works similarly as
'SameSite' and allows cookies to be sent in same-party, cross-site
contexts.

This CL adds the attribute to the DevTools protocol, so it can be
shown in the various Cookie tables in the DevTools frontend.

R=caseq@chromium.org

Bug: chromium:1161427
Change-Id: Ica094fcc3acc38e8fb36cada40c198c41ca82262
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2598846Reviewed-by: Andrey Kosyakov <caseq@chromium.org>
Commit-Queue: Simon Zünd <szuend@chromium.org>
Cr-Commit-Position: refs/heads/master@{#841959}

content/browser/devtools/protocol/network_handler.cc

@@ -155,6 +155,7 @@ std::unique_ptr<Network::Cookie> BuildCookie(
           .SetSecure(cookie.IsSecure())
           .SetSession(!cookie.IsPersistent())
           .SetPriority(cp)
+          .SetSameParty(cookie.IsSameParty())
           .Build();
 
   switch (cookie.SameSite()) {

third_party/blink/public/devtools_protocol/browser_protocol.pdl

@@ -4749,6 +4749,8 @@ domain Network
       optional CookieSameSite sameSite
       # Cookie Priority
       experimental CookiePriority priority
+      # True if cookie is SameParty.
+      experimental boolean sameParty
 
   # Types of reasons why a cookie may not be stored from a response.
   experimental type SetCookieBlockedReason extends string

third_party/blink/web_tests/http/tests/inspector-protocol/network/blocked-cookie-domain-mismatch-expected.txt

@@ -12,6 +12,7 @@ requestWillBeSentExtraInfo blocked cookies:[
             name : name
             path : /inspector-protocol/network/resources
             priority : Medium
+            sameParty : false
             secure : false
             session : true
             size : 9

third_party/blink/web_tests/http/tests/inspector-protocol/network/blocked-cookie-not-on-path-expected.txt

@@ -12,6 +12,7 @@ requestWillBeSentExtraInfo blocked cookies:[
             name : name
             path : /inspector-protocol/network/resources/set-cookie.php
             priority : Medium
+            sameParty : false
             secure : false
             session : true
             size : 9

third_party/blink/web_tests/http/tests/inspector-protocol/network/blocked-cookie-same-site-lax-expected.txt

@@ -11,6 +11,7 @@ Browser initiated navigation blocked cookies:[
             name : name
             path : /inspector-protocol/network/resources
             priority : Medium
+            sameParty : false
             sameSite : Lax
             secure : false
             session : true
@@ -30,6 +31,7 @@ Javascript initiated navigation blocked cookies:[
             name : name
             path : /inspector-protocol/network/resources
             priority : Medium
+            sameParty : false
             sameSite : Lax
             secure : false
             session : true
@@ -50,6 +52,7 @@ Javascript initiated subresource blocked cookies:[
             name : name
             path : /inspector-protocol/network/resources
             priority : Medium
+            sameParty : false
             sameSite : Lax
             secure : false
             session : true

third_party/blink/web_tests/http/tests/inspector-protocol/network/blocked-cookie-same-site-strict-expected.txt

@@ -11,6 +11,7 @@ Browser initiated navigation blocked cookies:[
             name : name
             path : /inspector-protocol/network/resources
             priority : Medium
+            sameParty : false
             sameSite : Strict
             secure : false
             session : true
@@ -31,6 +32,7 @@ Javascript initiated navigation blocked cookies:n[
             name : name
             path : /inspector-protocol/network/resources
             priority : Medium
+            sameParty : false
             sameSite : Strict
             secure : false
             session : true
@@ -51,6 +53,7 @@ Javascript initiated subresource blocked cookies:}[
             name : name
             path : /inspector-protocol/network/resources
             priority : Medium
+            sameParty : false
             sameSite : Strict
             secure : false
             session : true

third_party/blink/web_tests/http/tests/inspector-protocol/network/blocked-cookie-secure-only-expected.txt

@@ -12,6 +12,7 @@ ResponseReceivedExtraInfo blocked cookies:[
             name : name
             path : /inspector-protocol/network/resources
             priority : Medium
+            sameParty : false
             secure : true
             session : true
             size : 9
@@ -32,6 +33,7 @@ RequestWillBeSentExtraInfo blocked cookies:[
             name : name
             path : /inspector-protocol/network/resources
             priority : Medium
+            sameParty : false
             secure : true
             session : true
             size : 9

third_party/blink/web_tests/http/tests/inspector-protocol/network/blocked-setcookie-multiple-reasons-expected.txt

@@ -12,6 +12,7 @@ set-cookie that would overwrite secure cookie blocked set-cookies:[
             name : name
             path : /inspector-protocol/network/resources
             priority : Medium
+            sameParty : false
             secure : true
             session : true
             size : 9

third_party/blink/web_tests/http/tests/inspector-protocol/network/blocked-setcookie-overwrite-secure-expected.txt

@@ -11,6 +11,7 @@ set-cookie that would overwrite secure cookie blocked set-cookies:[
             name : name
             path : /inspector-protocol/network/resources
             priority : Medium
+            sameParty : false
             secure : false
             session : true
             size : 9

third_party/blink/web_tests/http/tests/inspector-protocol/network/blocked-setcookie-same-site-lax-expected.txt

@@ -12,6 +12,7 @@ Javascript initiated subresource blocked set-cookies:[
             name : name
             path : /inspector-protocol/network/resources
             priority : Medium
+            sameParty : false
             sameSite : Lax
             secure : false
             session : true

third_party/blink/web_tests/http/tests/inspector-protocol/network/blocked-setcookie-same-site-strict-expected.txt

@@ -12,6 +12,7 @@ Javascript initiated subresource blocked set-cookies:[
             name : name
             path : /inspector-protocol/network/resources
             priority : Medium
+            sameParty : false
             sameSite : Strict
             secure : false
             session : true

third_party/blink/web_tests/http/tests/inspector-protocol/network/extra-info-request-cookies-expected.txt

@@ -11,6 +11,7 @@ requestWillBeSentExtraInfo request cookies on same domain:[
             name : name1
             path : /inspector-protocol/network/resources
             priority : Medium
+            sameParty : false
             sameSite : None
             secure : true
             session : true
@@ -28,6 +29,7 @@ requestWillBeSentExtraInfo request cookies on same domain:[
             name : name2
             path : /inspector-protocol/network/resources
             priority : Medium
+            sameParty : false
             secure : false
             session : true
             size : 11
@@ -47,6 +49,7 @@ requestWillBeSentExtraInfo request cookies on subdomain[
             name : name2
             path : /inspector-protocol/network/resources
             priority : Medium
+            sameParty : false
             secure : false
             session : true
             size : 11
@@ -63,6 +66,7 @@ requestWillBeSentExtraInfo request cookies on subdomain[
             name : name1
             path : /inspector-protocol/network/resources
             priority : Medium
+            sameParty : false
             sameSite : None
             secure : true
             session : true

third_party/blink/web_tests/http/tests/inspector-protocol/network/extra-info-request-cookies-same-party-expected.txt

+Verifies that Network.RequestWillBeSentExtraInfo events report structured request cookies with the correct SameParty attribute.
+
+requestWillBeSentExtraInfo request cookies on same domain:[
+    [0] : {
+        blockedReasons : [
+        ]
+        cookie : {
+            domain : .cookie.test
+            expires : -1
+            httpOnly : false
+            name : name1
+            path : /inspector-protocol/network/resources
+            priority : Medium
+            sameParty : true
+            secure : true
+            session : true
+            size : 11
+            value : value1
+        }
+    }
+]
+

third_party/blink/web_tests/http/tests/inspector-protocol/network/extra-info-request-cookies-same-party.js

+(async function(testRunner) {
+  const {page, session, dp} = await testRunner.startBlank(
+      `Verifies that Network.RequestWillBeSentExtraInfo events report structured request cookies with the correct SameParty attribute.\n`);
+  await dp.Network.enable();
+  const helper = (await testRunner.loadScript('resources/extra-info-helper.js'))(dp, session);
+
+  const setCookieUrl = 'https://cookie.test:8443/inspector-protocol/network/resources/set-cookie.php?cookie='
+      + encodeURIComponent('name1=value1;SameParty;Secure;Domain=cookie.test');
+
+  // Set cookies in a domain.
+  await helper.navigateWithExtraInfo(setCookieUrl);
+
+  // Navigate to a the same domain to see that the cookie is reported.
+  const sendCookieUrl = 'https://cookie.test:8443/inspector-protocol/network/resources/hello-world.html';
+  const response = await helper.navigateWithExtraInfo(sendCookieUrl);
+  testRunner.log(response.requestExtraInfo.params.associatedCookies, 'requestWillBeSentExtraInfo request cookies on same domain:');
+  testRunner.completeTest();
+})