Password manager internals page service: wiring it in

components/password_manager/core/browser/log_router.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/password_manager/core/browser/log_router.h"
 
 #include "base/stl_util.h"
 #include "components/password_manager/core/browser/password_manager_client.h"
 #include "components/password_manager/core/browser/password_manager_logger.h"
 
@@ skipping 22 matching lines @@
 
 void LogRouter::UnregisterClient(PasswordManagerClient* client) {
   DCHECK(clients_.HasObserver(client));
   clients_.RemoveObserver(client);
 }
 
 std::string LogRouter::RegisterReceiver(PasswordManagerLogger* receiver) {
   DCHECK(receiver);
   DCHECK(accumulated_logs_.empty() || receivers_.might_have_observers());
 
-  // TODO(vabr): Once the clients provide API for that, notify them if the
-  // number of receivers went from 0 to 1.
+  if (!receivers_.might_have_observers()) {
+    FOR_EACH_OBSERVER(
+        PasswordManagerClient, clients_, OnLogRouterAvailabilityChanged(true));
+  }
   receivers_.AddObserver(receiver);
   return accumulated_logs_;
 }
 
 void LogRouter::UnregisterReceiver(PasswordManagerLogger* receiver) {
   DCHECK(receivers_.HasObserver(receiver));
   receivers_.RemoveObserver(receiver);
   if (!receivers_.might_have_observers()) {
     accumulated_logs_.clear();
-    // TODO(vabr): Once the clients provide API for that, notify them that the
-    // number of receivers went from 1 to 0.
+    FOR_EACH_OBSERVER(
+        PasswordManagerClient, clients_, OnLogRouterAvailabilityChanged(false));
   }
 }
 
 }  // namespace password_manager