Initial skeleton of custom layouts for Web Notifications.

chrome/common/chrome_switches.cc

Index: chrome/common/chrome_switches.cc
diff --git a/chrome/common/chrome_switches.cc b/chrome/common/chrome_switches.cc
index 63dcf0b81cef4d024c5e93c74ea5713724491e8d..f5e73c85bd987b4ea1beb5637fd78fc22e34d264 100644
--- a/chrome/common/chrome_switches.cc
+++ b/chrome/common/chrome_switches.cc
@@ -461,6 +461,13 @@ const char kEnableNetBenchmarking[]         = "enable-net-benchmarking";
 // Enables the new bookmark app system.
 const char kEnableNewBookmarkApps[]         = "enable-new-bookmark-apps";
 
+// Enable or disable custom layouts for notifications shown with the
+// Notifications API.
+const char kEnableNotificationsCustomLayouts[] =
+    "enable-notifications-custom-layouts";
+const char kDisableNotificationsCustomLayouts[] =

[Peter Beverloo, 2015/10/12 14:08:30]

nit: alphabetize please, and have a comment for each no matter how lame.

[Michael van Ouwerkerk, 2015/10/12 17:10:59]

Done.

+    "disable-notifications-custom-layouts";
+
 // Enables showing popular sites on the NTP.
 const char kEnableNTPPopularSites[]         = "enable-ntp-popular-sites";