Set popup name to null when COOP triggers a popup with noopener

If a main frame is COOP and a cross origin iframe tries to open a
popup, that popup will have the noopener attribute. When that's the
case, the popup should not have any name, and any parameter set during
its creation should be ignored.

Bug: 1060691
Change-Id: Ibb73a4b0fcf6b9d40041ed6534a8fafd8a90b499
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2098702
Commit-Queue: Pâris Meuleman <pmeuleman@chromium.org>
Reviewed-by: Camille Lamy <clamy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#749636}

content/browser/frame_host/render_frame_host_impl.cc

@@ -4502,6 +4502,10 @@ void RenderFrameHostImpl::CreateNewWindow(
       if (top_level_opener->cross_origin_opener_policy() ==
           network::mojom::CrossOriginOpenerPolicy::kSameOrigin) {
         params->opener_suppressed = true;
+        // The frame name should not be forwarded to a noopener popup.
+        // TODO(https://crbug.com/1060691) This should be applied to all
+        // popups opened with noopener.
+        params->frame_name.clear();
       }
     }
   }

third_party/blink/web_tests/external/wpt/html/cross-origin-opener-policy/iframe-popup-same-origin-to-unsafe-none.https-expected.txt

-This is a testharness.js-based test.
-PASS same-origin with SAME_ORIGIN iframe opening popup a SAME_ORIGIN with COOP: 
-FAIL same-origin with SAME_SITE iframe opening popup a SAME_ORIGIN with COOP:  assert_equals: name expected "" but got "SAME_SITE_iframe_opening_SAME_ORIGIN_popup_with_coop_"
-FAIL same-origin with CROSS_ORIGIN iframe opening popup a SAME_ORIGIN with COOP:  assert_equals: name expected "" but got "CROSS_ORIGIN_iframe_opening_SAME_ORIGIN_popup_with_coop_"
-PASS same-origin with SAME_ORIGIN iframe opening popup a SAME_SITE with COOP: 
-FAIL same-origin with SAME_SITE iframe opening popup a SAME_SITE with COOP:  assert_equals: name expected "" but got "SAME_SITE_iframe_opening_SAME_SITE_popup_with_coop_"
-FAIL same-origin with CROSS_ORIGIN iframe opening popup a SAME_SITE with COOP:  assert_equals: name expected "" but got "CROSS_ORIGIN_iframe_opening_SAME_SITE_popup_with_coop_"
-PASS same-origin with SAME_ORIGIN iframe opening popup a CROSS_ORIGIN with COOP: 
-FAIL same-origin with SAME_SITE iframe opening popup a CROSS_ORIGIN with COOP:  assert_equals: name expected "" but got "SAME_SITE_iframe_opening_CROSS_ORIGIN_popup_with_coop_"
-FAIL same-origin with CROSS_ORIGIN iframe opening popup a CROSS_ORIGIN with COOP:  assert_equals: name expected "" but got "CROSS_ORIGIN_iframe_opening_CROSS_ORIGIN_popup_with_coop_"
-Harness: the test ran to completion.
-