Add Mixed content (#2235)

* Add Mixed content

* Make it about 'Mixed content handling'

* Apply suggestions from code review

Co-authored-by: Daniel D. Beck <daniel@ddbeck.com>

---------

Co-authored-by: Daniel D. Beck <daniel@ddbeck.com>

features/draft/spec/mixed-content.yml → features/mixed-content.yml

@@ -1,7 +1,9 @@
-draft_date: 2024-09-09
-name: Mixed Content
-description: TODO
+name: Mixed content handling
+description: When a document is loaded over HTTPS, browsers ensure that none of the document's resources are loaded over an insecure protocol. Instead, resources that the document attempts to load over an insecure protocol are either loaded over HTTPS or are blocked.
 spec: https://w3c.github.io/webappsec-mixed-content/
+group: security
+status:
+  compute_from: http.mixed-content
 compat_features:
   - http.mixed-content
   - http.mixed-content.allow_file_urls

features/draft/spec/mixed-content.yml.dist → features/mixed-content.yml.dist

@@ -2,14 +2,19 @@
 # Do not edit this file by hand. Edit the source file instead!
 
 status:
-  baseline: false
+  baseline: high
+  baseline_low_date: 2020-01-15
+  baseline_high_date: 2022-07-15
   support:
-    chrome: "92"
-    chrome_android: "92"
-    edge: "92"
-    firefox: "127"
-    firefox_android: "127"
+    chrome: ≤79
+    chrome_android: "79"
+    edge: "79"
+    firefox: ≤23
+    firefox_android: "23"
+    safari: ≤9.1
+    safari_ios: ≤9.3
 compat_features:
+  # ⬇️ Same status as overall feature ⬇️
   # baseline: high
   # baseline_low_date: 2020-01-15
   # baseline_high_date: 2022-07-15