Add UMA for register protocol handler.

chrome/browser/ui/tab_contents/tab_contents_wrapper.cc

 // Copyright (c) 2011 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/tab_contents/tab_contents_wrapper.h"
 
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
 #include "chrome/browser/autocomplete_history_manager.h"
 #include "chrome/browser/autofill/autofill_manager.h"
@@ skipping 43 matching lines @@
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/custom_handlers/protocol_handler.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/render_messages.h"
 #include "content/browser/child_process_security_policy.h"
 #include "content/browser/renderer_host/render_view_host.h"
 #include "content/browser/tab_contents/navigation_details.h"
 #include "content/browser/tab_contents/tab_contents.h"
 #include "content/browser/tab_contents/tab_contents_view.h"
+#include "content/browser/user_metrics.h"
 #include "content/common/notification_service.h"
 #include "content/common/view_messages.h"
 #include "grit/generated_resources.h"
 #include "grit/locale_settings.h"
 #include "grit/platform_locale_settings.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "webkit/glue/webpreferences.h"
 
 namespace {
 
@@ skipping 500 matching lines @@
   ProtocolHandler handler =
       ProtocolHandler::CreateProtocolHandler(protocol, url, title);
 
   ProtocolHandlerRegistry* registry = profile()->GetProtocolHandlerRegistry();
   if (!registry->enabled() || registry->IsRegistered(handler) ||
       registry->IsIgnored(handler))
     return;
 
   if (!handler.IsEmpty() &&
       registry->CanSchemeBeOverridden(handler.protocol())) {
+    UserMetrics::RecordAction(UserMetricsAction(
+        "RegisterProtocolHandler.InfoBar_Shown"));
     AddInfoBar(new RegisterProtocolHandlerInfoBarDelegate(tab_contents(),
                                                           registry,
                                                           handler));
   }
 }
 
 void TabContentsWrapper::OnRegisterIntentHandler(const string16& action,
                                                  const string16& type,
                                                  const string16& href,
                                                  const string16& title) {
@@ skipping 120 matching lines @@
   if (infobars_.empty()) {
     registrar_.Remove(this, content::NOTIFICATION_NAV_ENTRY_COMMITTED,
         Source<NavigationController>(&tab_contents_->controller()));
   }
 }
 
 void TabContentsWrapper::RemoveAllInfoBars(bool animate) {
   while (!infobars_.empty())
     RemoveInfoBarInternal(GetInfoBarDelegateAt(infobar_count() - 1), animate);
 }