New Profile metric for Auth Errors.

components/signin/core/browser/signin_error_controller.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/signin/core/browser/signin_error_controller.h"
 
+#include "components/signin/core/browser/signin_client.h"
+#include "components/signin/core/browser/signin_metrics.h"
+
 namespace {
 
 typedef std::set<const SigninErrorController::AuthStatusProvider*>
     AuthStatusProviderSet;
 
 }  // namespace
 
 SigninErrorController::AuthStatusProvider::AuthStatusProvider() {
 }
 
 SigninErrorController::AuthStatusProvider::~AuthStatusProvider() {
 }
 
-SigninErrorController::SigninErrorController()
+SigninErrorController::SigninErrorController(SigninClient* signin_client)
     : auth_error_(GoogleServiceAuthError::AuthErrorNone()) {
+  AddObserver(signin_client);
 }
 
 SigninErrorController::~SigninErrorController() {
   DCHECK(provider_set_.empty())
       << "All AuthStatusProviders should be unregistered before"
       << " SigninErrorController::Shutdown() is called";
 }
 
 void SigninErrorController::AddProvider(const AuthStatusProvider* provider) {
   DCHECK(provider_set_.find(provider) == provider_set_.end())
@@ skipping 53 matching lines @@
 
   if (!error_changed && prev_state != GoogleServiceAuthError::NONE) {
     // No provider reported an error, so clear the error we have now.
     auth_error_ = GoogleServiceAuthError::AuthErrorNone();
     error_account_id_.clear();
     error_username_.clear();
     error_changed = true;
   }
 
   if (error_changed) {
+    signin_metrics::LogAuthError(auth_error_.state());
     FOR_EACH_OBSERVER(Observer, observer_list_, OnErrorChanged());
   }
 }
 
 bool SigninErrorController::HasError() const {
   return auth_error_.state() != GoogleServiceAuthError::NONE &&
       auth_error_.state() != GoogleServiceAuthError::CONNECTION_FAILED;
 }
 
 void SigninErrorController::AddObserver(Observer* observer) {
   observer_list_.AddObserver(observer);
 }
 
 void SigninErrorController::RemoveObserver(Observer* observer) {
   observer_list_.RemoveObserver(observer);
 }