Extract Notifications kClickWasNotAnAction constant

content/public/common/platform_notification_data.h

Index: content/public/common/platform_notification_data.h
diff --git a/content/public/common/platform_notification_data.h b/content/public/common/platform_notification_data.h
index 12f4eee9797daa856d5ec8fef4835c6f16e66ee0..a1440b51c475cdff1d46beb753286bc51fe55d31 100644
--- a/content/public/common/platform_notification_data.h
+++ b/content/public/common/platform_notification_data.h
@@ -14,6 +14,15 @@
 
 namespace content {
 
+// Maximum number of actions on a Platform Notification.

[Peter Beverloo, 2015/10/22 11:33:39]

nit: s/Platform Notification/platform notification/.

+static const size_t kPlatformNotificationMaxActions = 2;
+
+// When a notification is clicked, passing this value for |actionIndex|

[Peter Beverloo, 2015/10/22 11:33:39]

Referring to specific arguments has little meaning here. It would be best to
keep this generic.

// Value to use when the body of a notification was clicked rather than an
// action button. Must be ...

+// indicates that the main body of the notification was clicked, rather than an
+// action button. Must be kept in sync with
+// NotificationUIManager.CLICK_WAS_NOT_AN_ACTION.
+static const int kNotificationClickWasNotAnAction = -1;

[Peter Beverloo, 2015/10/22 11:33:39]

kInvalidNotificationAction?
kNoNotificationAction?

+
 // A notification action (button); corresponds to Blink WebNotificationAction.
 struct CONTENT_EXPORT PlatformNotificationAction {
   PlatformNotificationAction();