Add new Schemeful blocked cookie enums

Add enums to the browser protocol in prep for the devtools frontend
work.

This CL also updates the network_handler to insert the new values.

Bug: 1136839
Change-Id: I23f9d47bffde3dce3917d41d5c01070646b3d366
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2461595Reviewed-by: Mike West <mkwst@chromium.org>
Reviewed-by: Sigurd Schneider <sigurds@chromium.org>
Commit-Queue: Steven Bingler <bingler@chromium.org>
Cr-Commit-Position: refs/heads/master@{#816666}

content/browser/devtools/protocol/network_handler.cc

@@ -583,18 +583,34 @@ GetProtocolBlockedSetCookieReason(net::CookieInclusionStatus status) {
   }
   if (status.HasExclusionReason(
           net::CookieInclusionStatus::EXCLUDE_SAMESITE_STRICT)) {
-    blockedReasons->push_back(
-        Network::SetCookieBlockedReasonEnum::SameSiteStrict);
+    if (status.HasDowngradeWarning()) {
+      blockedReasons->push_back(
+          Network::SetCookieBlockedReasonEnum::SchemefulSameSiteStrict);
+    } else {
+      blockedReasons->push_back(
+          Network::SetCookieBlockedReasonEnum::SameSiteStrict);
+    }
   }
   if (status.HasExclusionReason(
           net::CookieInclusionStatus::EXCLUDE_SAMESITE_LAX)) {
-    blockedReasons->push_back(Network::SetCookieBlockedReasonEnum::SameSiteLax);
+    if (status.HasDowngradeWarning()) {
+      blockedReasons->push_back(
+          Network::SetCookieBlockedReasonEnum::SchemefulSameSiteLax);
+    } else {
+      blockedReasons->push_back(
+          Network::SetCookieBlockedReasonEnum::SameSiteLax);
+    }
   }
   if (status.HasExclusionReason(
           net::CookieInclusionStatus::
               EXCLUDE_SAMESITE_UNSPECIFIED_TREATED_AS_LAX)) {
-    blockedReasons->push_back(
-        Network::SetCookieBlockedReasonEnum::SameSiteUnspecifiedTreatedAsLax);
+    if (status.HasDowngradeWarning()) {
+      blockedReasons->push_back(Network::SetCookieBlockedReasonEnum::
+                                    SchemefulSameSiteUnspecifiedTreatedAsLax);
+    } else {
+      blockedReasons->push_back(
+          Network::SetCookieBlockedReasonEnum::SameSiteUnspecifiedTreatedAsLax);
+    }
   }
   if (status.HasExclusionReason(
           net::CookieInclusionStatus::EXCLUDE_SAMESITE_NONE_INSECURE)) {
@@ -658,17 +674,33 @@ GetProtocolBlockedCookieReason(net::CookieInclusionStatus status) {
   }
   if (status.HasExclusionReason(
           net::CookieInclusionStatus::EXCLUDE_SAMESITE_STRICT)) {
-    blockedReasons->push_back(Network::CookieBlockedReasonEnum::SameSiteStrict);
+    if (status.HasDowngradeWarning()) {
+      blockedReasons->push_back(
+          Network::CookieBlockedReasonEnum::SchemefulSameSiteStrict);
+    } else {
+      blockedReasons->push_back(
+          Network::CookieBlockedReasonEnum::SameSiteStrict);
+    }
   }
   if (status.HasExclusionReason(
           net::CookieInclusionStatus::EXCLUDE_SAMESITE_LAX)) {
-    blockedReasons->push_back(Network::CookieBlockedReasonEnum::SameSiteLax);
+    if (status.HasDowngradeWarning()) {
+      blockedReasons->push_back(
+          Network::CookieBlockedReasonEnum::SchemefulSameSiteLax);
+    } else {
+      blockedReasons->push_back(Network::CookieBlockedReasonEnum::SameSiteLax);
+    }
   }
   if (status.HasExclusionReason(
           net::CookieInclusionStatus::
               EXCLUDE_SAMESITE_UNSPECIFIED_TREATED_AS_LAX)) {
-    blockedReasons->push_back(
-        Network::CookieBlockedReasonEnum::SameSiteUnspecifiedTreatedAsLax);
+    if (status.HasDowngradeWarning()) {
+      blockedReasons->push_back(Network::CookieBlockedReasonEnum::
+                                    SchemefulSameSiteUnspecifiedTreatedAsLax);
+    } else {
+      blockedReasons->push_back(
+          Network::CookieBlockedReasonEnum::SameSiteUnspecifiedTreatedAsLax);
+    }
   }
   if (status.HasExclusionReason(
           net::CookieInclusionStatus::EXCLUDE_SAMESITE_NONE_INSECURE)) {

third_party/blink/public/devtools_protocol/browser_protocol.pdl

@@ -4664,6 +4664,20 @@ domain Network
       InvalidPrefix
       # An unknown error was encountered when trying to store this cookie.
       UnknownError
+      # The cookie had the "SameSite=Strict" attribute but came from a response
+      # with the same registrable domain but a different scheme.
+      # This includes navigation requests intitiated by other origins.
+      # This is the "Schemeful Same-Site" version of the blocked reason.
+      SchemefulSameSiteStrict
+      # The cookie had the "SameSite=Lax" attribute but came from a response
+      # with the same registrable domain but a different scheme.
+      # This is the "Schemeful Same-Site" version of the blocked reason.
+      SchemefulSameSiteLax
+      # The cookie didn't specify a "SameSite" attribute and was defaulted to
+      # "SameSite=Lax" and broke the same rules specified in the SchemefulSameSiteLax
+      # value.
+      # This is the "Schemeful Same-Site" version of the blocked reason.
+      SchemefulSameSiteUnspecifiedTreatedAsLax
 
   # Types of reasons why a cookie may not be sent with a request.
   experimental type CookieBlockedReason extends string
@@ -4692,6 +4706,20 @@ domain Network
       UserPreferences
       # An unknown error was encountered when trying to send this cookie.
       UnknownError
+      # The cookie had the "SameSite=Strict" attribute but came from a response
+      # with the same registrable domain but a different scheme.
+      # This includes navigation requests intitiated by other origins.
+      # This is the "Schemeful Same-Site" version of the blocked reason.
+      SchemefulSameSiteStrict
+      # The cookie had the "SameSite=Lax" attribute but came from a response
+      # with the same registrable domain but a different scheme.
+      # This is the "Schemeful Same-Site" version of the blocked reason.
+      SchemefulSameSiteLax
+      # The cookie didn't specify a "SameSite" attribute and was defaulted to
+      # "SameSite=Lax" and broke the same rules specified in the SchemefulSameSiteLax
+      # value.
+      # This is the "Schemeful Same-Site" version of the blocked reason.
+      SchemefulSameSiteUnspecifiedTreatedAsLax
 
   # A cookie which was not stored from a response with the corresponding reason.
   experimental type BlockedSetCookieWithReason extends object