Enable script bubble by default on all but mac.

chrome/browser/extensions/script_badge_controller_unittest.cc

Index: chrome/browser/extensions/script_badge_controller_unittest.cc
diff --git a/chrome/browser/extensions/script_badge_controller_unittest.cc b/chrome/browser/extensions/script_badge_controller_unittest.cc
index 5786ccd61ad65de59c9b353ac565d4a3994551e4..c6ec141e2634e0ee1e72d3e74923c4a774f36979 100644
--- a/chrome/browser/extensions/script_badge_controller_unittest.cc
+++ b/chrome/browser/extensions/script_badge_controller_unittest.cc
@@ -203,7 +203,15 @@ TEST_F(ScriptBadgeControllerTest, FragmentNavigation) {
 
     EXPECT_THAT(script_badge_controller_->GetCurrentActions(),
                 testing::ElementsAre());
+
+    // Should be zero, but ScriptBubbleController notifies updates via
+    // LocationBarController and causes an update here.
+#if defined(OS_MACOSX)
+    // Not enabled on mac yet
     EXPECT_EQ(0, location_bar_updated.events);
+#else
+    EXPECT_EQ(1, location_bar_updated.events);
+#endif
   }
 }