Merge #7758

7758: Closes #7757: Add blob in default engine supported scheme r=Amejia481 a=rocketsroger
Co-authored-by: Roger Yang <royang@mozilla.com>

components/feature/app-links/src/main/java/mozilla/components/feature/app/links/AppLinksUseCases.kt

@@ -252,7 +252,7 @@ class AppLinksUseCases(
         @VisibleForTesting(otherwise = VisibleForTesting.PRIVATE)
         // list of scheme from https://searchfox.org/mozilla-central/source/netwerk/build/components.conf
         internal val ENGINE_SUPPORTED_SCHEMES: Set<String> = setOf("about", "data", "file", "ftp", "http",
-            "https", "moz-extension", "moz-safe-about", "resource", "view-source", "ws", "wss")
+            "https", "moz-extension", "moz-safe-about", "resource", "view-source", "ws", "wss", "blob")
 
         internal val ALWAYS_DENY_SCHEMES: Set<String> = setOf("file", "javascript", "data", "about")
     }

components/feature/app-links/src/test/java/mozilla/components/feature/app/links/AppLinksUseCasesTest.kt

@@ -49,6 +49,7 @@ class AppLinksUseCasesTest {
     private val dataUrl = "data:text/plain;base64,SGVsbG8sIFdvcmxkIQ=="
     private val aboutUrl = "about:config"
     private val javascriptUrl = "javascript:'hello, world'"
+    private val blobUrl = "blob://example.com"
     private val fileType = "audio/mpeg"
     private val layerUrl = "https://exmaple.com"
     private val layerPackage = "com.example.app"
@@ -171,6 +172,15 @@ class AppLinksUseCasesTest {
         assertFalse(redirect.isRedirect())
     }
 
+    @Test
+    fun `A blob url is not an app link`() {
+        val context = createContext(Triple(blobUrl, appPackage, ""))
+        val subject = AppLinksUseCases(context, { true })
+
+        val redirect = subject.interceptedAppLinkRedirect(aboutUrl)
+        assertFalse(redirect.isRedirect())
+    }
+
     @Test
     fun `Will not redirect app link if browser option set to false and scheme is supported`() {
         val context = createContext(Triple(appUrl, appPackage, ""))