Log the creation of Sign In related dialog boxes.

chrome/browser/ui/webui/signin/signin_email_confirmation_dialog.cc

 // Copyright 2016 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/signin/signin_email_confirmation_dialog.h"
 
 #include <vector>
 
 #include "base/json/json_reader.h"
 #include "base/json/json_writer.h"
 #include "base/metrics/user_metrics.h"
 #include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/ui/browser_dialogs.h"
 #include "chrome/browser/ui/webui/signin/signin_email_confirmation_ui.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/grit/browser_resources.h"
 #include "chrome/grit/generated_resources.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_contents_observer.h"
 #include "content/public/browser/web_ui.h"
 #include "content/public/browser/web_ui_message_handler.h"
 #include "ui/base/l10n/l10n_util.h"
 
@@ skipping 40 matching lines @@
 SigninEmailConfirmationDialog::SigninEmailConfirmationDialog(
     content::WebContents* contents,
     Profile* profile,
     const std::string& last_email,
     const std::string& new_email,
     const Callback& callback)
     : web_contents_(contents),
       profile_(profile),
       last_email_(last_email),
       new_email_(new_email),
-      callback_(callback) {}
+      callback_(callback) {
+  chrome::RecordDialogCreation(
+      chrome::DialogIdentifier::SIGN_IN_EMAIL_CONFIRMATION);
+}
 
 SigninEmailConfirmationDialog::~SigninEmailConfirmationDialog() {}
 
 // static
 void SigninEmailConfirmationDialog::AskForConfirmation(
     content::WebContents* contents,
     Profile* profile,
     const std::string& last_email,
     const std::string& email,
     const Callback& callback) {
@@ skipping 107 matching lines @@
 
 void SigninEmailConfirmationDialog::OnCloseContents(
     content::WebContents* source,
     bool* out_close_dialog) {
   *out_close_dialog = true;
 }
 
 bool SigninEmailConfirmationDialog::ShouldShowDialogTitle() const {
   return false;
 }