Wire up MediaCapabilities is_supported to MimeUtil

content/test/BUILD.gn

Index: content/test/BUILD.gn
diff --git a/content/test/BUILD.gn b/content/test/BUILD.gn
index 6338a696ffb50cd940375faaff73ff4ebfbc848c..42fe77776c759b9ff412d72a155bad434da8c7e7 100644
--- a/content/test/BUILD.gn
+++ b/content/test/BUILD.gn
@@ -633,6 +633,7 @@ test("content_browsertests") {
     "../browser/media/media_browsertest.cc",
     "../browser/media/media_browsertest.h",
     "../browser/media/media_canplaytype_browsertest.cc",
+    "../browser/media/media_capabilities_browsertest.cc",
     "../browser/media/media_color_browsertest.cc",
     "../browser/media/media_redirect_browsertest.cc",
     "../browser/media/media_source_browsertest.cc",
@@ -929,8 +930,8 @@ test("content_browsertests") {
       "../browser/webrtc/webrtc_webcam_browsertest.h",
     ]
     deps += [
-      "//testing/perf",
       "//content/public/common:features",
+      "//testing/perf",
     ]
   }