Fixed CaptivePortal UMA histogram names to be consistent with XML description.

chrome/browser/ui/webui/chromeos/login/signin_screen_handler.cc

 // Copyright (c) 2013 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 "chrome/browser/ui/webui/chromeos/login/signin_screen_handler.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/callback.h"
 #include "base/command_line.h"
@@ skipping 184 matching lines @@
   if (!detector || !network)
     return NetworkPortalDetector::CaptivePortalState();
   return detector->GetCaptivePortalState(network);
 }
 
 void RecordDiscrepancyWithShill(
     const Network* network,
     const NetworkPortalDetector::CaptivePortalStatus status) {
   if (network->online()) {
     UMA_HISTOGRAM_ENUMERATION(
-        "CaptivePortal.OOBE.DiscrepancyWithShill.Online",
+        "CaptivePortal.OOBE.DiscrepancyWithShill_Online",
         status,
         NetworkPortalDetector::CAPTIVE_PORTAL_STATUS_COUNT);
   } else if (network->restricted_pool()) {
     UMA_HISTOGRAM_ENUMERATION(
-        "CaptivePortal.OOBE.DiscrepancyWithShill.RestrictedPool",
+        "CaptivePortal.OOBE.DiscrepancyWithShill_RestrictedPool",
         status,
         NetworkPortalDetector::CAPTIVE_PORTAL_STATUS_COUNT);
   } else {
     UMA_HISTOGRAM_ENUMERATION(
-        "CaptivePortal.OOBE.DiscrepancyWithShill.Offline",
+        "CaptivePortal.OOBE.DiscrepancyWithShill_Offline",
         status,
         NetworkPortalDetector::CAPTIVE_PORTAL_STATUS_COUNT);
   }
 }
 
 // Record state and descripancies with shill (e.g. shill thinks that
 // network is online but NetworkPortalDetector claims that it's behind
 // portal) for the network identified by |service_path|.
 void RecordNetworkPortalDetectorStats(const std::string& service_path) {
   const Network* network = FindNetworkByPath(service_path);
@@ skipping 1511 matching lines @@
   if (!cros_settings)
     return false;
 
   // Offline login is allowed only when user pods are hidden.
   bool show_pods;
   cros_settings->GetBoolean(kAccountsPrefShowUserNamesOnSignIn, &show_pods);
   return !show_pods;
 }
 
 }  // namespace chromeos