Revert of mac: ensure ui::Compositor exists for visible RWHVs

content/test/BUILD.gn

Index: content/test/BUILD.gn
diff --git a/content/test/BUILD.gn b/content/test/BUILD.gn
index 542c2f246b7fc33755f2c738faf87161d57b5aba..ae506ff1ee6c57599d2bf18da822d056a9adf9d2 100644
--- a/content/test/BUILD.gn
+++ b/content/test/BUILD.gn
@@ -190,10 +190,6 @@
 
   if (v8_use_external_startup_data) {
     deps += [ "//gin:gin" ]
-  }
-
-  if (is_mac) {
-    deps += [ "//ui/accelerated_widget_mac" ]
   }
 }
 
@@ -792,7 +788,6 @@
     deps += [
       "//third_party/mozilla",
       "//third_party/ocmock",
-      "//ui/accelerated_widget_mac",
     ]
   }
   if (is_chromeos) {