List message decryption failures on chrome://gcm-internals

components/gcm_driver/gcm_driver_desktop.cc

Index: components/gcm_driver/gcm_driver_desktop.cc
diff --git a/components/gcm_driver/gcm_driver_desktop.cc b/components/gcm_driver/gcm_driver_desktop.cc
index b967feac46094e52ee6f2f2364c0a269cf8db9fe..2ff4187cb13f3a865dedc0edd63793aeb8983d9a 100644
--- a/components/gcm_driver/gcm_driver_desktop.cc
+++ b/components/gcm_driver/gcm_driver_desktop.cc
@@ -107,6 +107,9 @@ class GCMDriverDesktop::IOWorker : public GCMClient::Delegate {
                    const std::string& authorized_entity,
                    const std::string& scope);
 
+  void RecordDecryptionFailure(const std::string& app_id,
+                               GCMEncryptionProvider::DecryptionFailure reason);
+
   // For testing purpose. Can be called from UI thread. Use with care.
   GCMClient* gcm_client_for_testing() const { return gcm_client_.get(); }
 
@@ -496,6 +499,13 @@ void GCMDriverDesktop::IOWorker::RemoveHeartbeatInterval(
   gcm_client_->RemoveHeartbeatInterval(scope);
 }
 
+void GCMDriverDesktop::IOWorker::RecordDecryptionFailure(
+    const std::string& app_id,
+    GCMEncryptionProvider::DecryptionFailure reason) {
+  DCHECK(io_thread_->RunsTasksOnCurrentThread());
+  gcm_client_->RecordDecryptionFailure(app_id, reason);
+}
+
 GCMDriverDesktop::GCMDriverDesktop(
     scoped_ptr<GCMClientFactory> gcm_client_factory,
     const GCMClient::ChromeBuildInfo& chrome_build_info,
@@ -722,6 +732,17 @@ void GCMDriverDesktop::DoSend(const std::string& app_id,
                  message));
 }
 
+void GCMDriverDesktop::RecordDecryptionFailure(
+    const std::string& app_id,
+    GCMEncryptionProvider::DecryptionFailure reason) {
+  DCHECK(ui_thread_->RunsTasksOnCurrentThread());
+  io_thread_->PostTask(
+      FROM_HERE,
+      base::Bind(&GCMDriverDesktop::IOWorker::RecordDecryptionFailure,
+                 base::Unretained(io_worker_.get()),
+                 app_id, reason));
+}
+
 GCMClient* GCMDriverDesktop::GetGCMClientForTesting() const {
   DCHECK(ui_thread_->RunsTasksOnCurrentThread());
   return io_worker_ ? io_worker_->gcm_client_for_testing() : NULL;