FLEDGE: Include BSRID w/creative scanning metadata in TSS request.

Adds buyerAndSellerReportingId (BSRID) to the query parameters of
the BYOS scoring signals request URL for use in creative scanning
when `sendCreativeScanningMetadata` is set to true on the
auction config.

See
WICG/turtledove#792 (comment)
for more context (along with following comments)

Bug: 383513677
Change-Id: I77dced8bb39a55cf7b7ad9fb80c91fed8c9dad00
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6219861
Reviewed-by: Orr Bernstein <orrb@google.com>
Commit-Queue: Maks Orlovich <morlovich@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1414406}

fledge/tentative/resources/fledge_http_server_util.py

@@ -119,7 +119,8 @@ def decode_trusted_scoring_signals_params(request):
             pair[0] == 'adSizes' or
             pair[0] == 'adComponentSizes' or
             pair[0] == 'adBuyer' or
-            pair[0] == 'adComponentBuyer'):
+            pair[0] == 'adComponentBuyer' or
+            pair[0] == 'adBuyerAndSellerReportingIds'):
           continue
       raise ValueError("Unexpected query parameter: " + param)
 

fledge/tentative/trusted-scoring-signals.https.window.js

@@ -809,16 +809,22 @@ subsetTest(promise_test, async test => {
 
   const bidder_origin = OTHER_ORIGIN1;
 
-  await joinCrossOriginInterestGroup(
-      test, uuid, bidder_origin,
-      {ads: [{renderURL: renderURL, creativeScanningMetadata: 'hello'}]});
+  await joinCrossOriginInterestGroup(test, uuid, bidder_origin, {
+    ads: [{
+      renderURL: renderURL,
+      creativeScanningMetadata: 'hello',
+      buyerAndSellerReportingId: 'chair'
+    }]
+  });
 
   const scoreAdBody = `
     ${makeParseHelper(renderURL)}
     if (parsed.get('renderUrls') !== '${renderURL}')
       throw 'Wrong URL';
     if (parsed.get('adCreativeScanningMetadata') !== 'hello')
       throw 'Wrong creative scanning metadata';
+    if (parsed.get('adBuyerAndSellerReportingIds') !== 'chair')
+      throw 'Wrong BSRID';
     if (parsed.get('adSizes') !== ',')
       throw 'Wrong adSizes';
     if (parsed.get('adBuyer') !== '${bidder_origin}')
@@ -852,14 +858,16 @@ subsetTest(promise_test, async test => {
 
   await joinCrossOriginInterestGroup(
       test, uuid, bidder_origin,
-      {ads: [{renderURL: renderURL}]});
+      {ads: [{renderURL: renderURL, buyerAndSellerReportingId: 'sofa'}]});
 
   const scoreAdBody = `
     ${makeParseHelper(renderURL)}
     if (parsed.get('renderUrls') !== '${renderURL}')
       throw 'Wrong URL';
     if (parsed.get('adCreativeScanningMetadata') !== '')
       throw 'Wrong creative scanning metadata';
+    if (parsed.get('adBuyerAndSellerReportingIds') !== 'sofa')
+      throw 'Wrong BSRID';
     if (parsed.get('adSizes') !== ',')
       throw 'Wrong adSizes';
     if (parsed.get('adBuyer') !== '${bidder_origin}')
@@ -899,6 +907,8 @@ subsetTest(promise_test, async test => {
       throw 'Wrong URL';
     if (parsed.has('adCreativeScanningMetadata'))
       throw 'Unexpected creative scanning metadata';
+    if (parsed.has('adBuyerAndSellerReportingIds'))
+      throw 'Unexpected BSRID';
     if (parsed.has('adSizes'))
       throw 'Unexpected adSizes';
     if (parsed.has('adBuyer'))
@@ -958,6 +968,8 @@ subsetTest(promise_test, async test => {
       throw 'Wrong URL';
     if (parsed.get('adCreativeScanningMetadata') !== 'hello')
       throw 'Wrong creative scanning metadata';
+    if (parsed.get('adBuyerAndSellerReportingIds') !== '')
+      throw 'Wrong BSRID';
     if (parsed.get('adSizes') !== '100px,10sh')
       throw 'Wrong adSizes';
     if (parsed.get('adBuyer') !== '${window.location.origin}')
@@ -1035,6 +1047,8 @@ subsetTest(promise_test, async test => {
       throw 'Wrong URL';
     if (parsed.get('adCreativeScanningMetadata') !== 'hello')
       throw 'Wrong creative scanning metadata';
+    if (parsed.get('adBuyerAndSellerReportingIds') !== '')
+      throw 'Wrong BSRID';
     if (parsed.get('adSizes') !== ',')
       throw 'Wrong adSizes';
     if (parsed.get('adBuyer') !== '${window.location.origin}')