Push API: Include origin in generated app_ids

chrome/browser/push_messaging/push_messaging_app_identifier.h

Index: chrome/browser/push_messaging/push_messaging_app_identifier.h
diff --git a/chrome/browser/push_messaging/push_messaging_app_identifier.h b/chrome/browser/push_messaging/push_messaging_app_identifier.h
index 6d64fc2be5f4066ed6b5a1ca7b493c9dc5a564db..fd686577607a8d6756268bf9f3171245345ff086 100644
--- a/chrome/browser/push_messaging/push_messaging_app_identifier.h
+++ b/chrome/browser/push_messaging/push_messaging_app_identifier.h
@@ -24,26 +24,30 @@ extern const char kPushMessagingAppIdentifierPrefix[];
 
 // Type used to identify a Service Worker registration from a Push API
 // perspective. These can be persisted to prefs, in a 1:1 mapping between
-// app_id and pair<origin, service_worker_registration_id>.
+// app_id (which includes origin) and service_worker_registration_id.
+// Legacy mapped values saved by old versions of Chrome are also supported;
+// these don't contain the origin in the app_id, so instead they map from
+// app_id to pair<origin, service_worker_registration_id>.
 class PushMessagingAppIdentifier {
  public:
   // Register profile-specific prefs.
   static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry);
 
-  // Generates a new app identifier with random app_id.
+  // Generates a new app identifier, with partially random app_id.
   static PushMessagingAppIdentifier Generate(
       const GURL& origin,
       int64_t service_worker_registration_id);
 
   // Looks up an app identifier by app_id. If not found, is_null() will be true.
-  static PushMessagingAppIdentifier Get(Profile* profile,
-                                        const std::string& app_id);
+  static PushMessagingAppIdentifier FindByAppId(Profile* profile,
+                                                const std::string& app_id);
 
   // Looks up an app identifier by origin & service worker registration id.
   // If not found, is_null() will be true.
-  static PushMessagingAppIdentifier Get(Profile* profile,
-                                        const GURL& origin,
-                                        int64_t service_worker_registration_id);
+  static PushMessagingAppIdentifier FindByServiceWorker(
+      Profile* profile,
+      const GURL& origin,
+      int64_t service_worker_registration_id);
 
   // Returns all the PushMessagingAppIdentifiers currently registered for the
   // given |profile|.
@@ -58,12 +62,13 @@ class PushMessagingAppIdentifier {
   void DeleteFromPrefs(Profile* profile) const;
 
   // Returns true if this identifier does not represent an app (i.e. this was
-  // returned by a failed call to Get).
+  // returned by a failed Find call).
   bool is_null() const { return service_worker_registration_id_ < 0; }
 
   // String that should be passed to push services like GCM to identify a
   // particular Service Worker (so we can route incoming messages). Example:
-  // wp:9CC55CCE-B8F9-4092-A364-3B0F73A3AB5F
+  // wp:https://foo.example.com:8443/#9CC55CCE-B8F9-4092-A364-3B0F73A3AB5F
+  // Legacy app_ids have no origin, e.g. wp:9CC55CCE-B8F9-4092-A364-3B0F73A3AB5F
   const std::string& app_id() const {
     DCHECK(!is_null());
     return app_id_;