Moving new First Run to use per-profile value, rather than simply checking IsChromeFirstRun.

chrome/browser/ui/webui/welcome_ui.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/welcome_ui.h"
 
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/webui/welcome_handler.h"
+#include "chrome/common/pref_names.h"
 #include "chrome/grit/browser_resources.h"
 #include "chrome/grit/chrome_unscaled_resources.h"
 #include "chrome/grit/chromium_strings.h"
 #include "chrome/grit/generated_resources.h"
+#include "components/prefs/pref_service.h"
 #include "content/public/browser/web_ui_data_source.h"
 #include "net/base/url_util.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/resources/grit/webui_resources.h"
 
 WelcomeUI::WelcomeUI(content::WebUI* web_ui, const GURL& url)
     : content::WebUIController(web_ui) {
   Profile* profile = Profile::FromWebUI(web_ui);
 
   // This page is not shown to incognito or guest profiles. If one should end up
   // here, we return, causing a 404-like page.
   if (!profile ||
       profile->GetProfileType() != Profile::ProfileType::REGULAR_PROFILE) {
     return;
   }
 
+  // Store that this profile has been shown the Welcome page.
+  profile->GetPrefs()->SetBoolean(prefs::kHasSeenWelcomePage, true);
+
   web_ui->AddMessageHandler(new WelcomeHandler(web_ui));
 
   content::WebUIDataSource* html_source =
       content::WebUIDataSource::Create(url.host());
 
   // Check URL for variations.
   std::string value;
   bool is_everywhere_variant =
       (net::GetValueForKeyInQuery(url, "variant", &value) &&
        value == "everywhere");
@@ skipping 19 matching lines @@
   html_source->AddResourcePath("welcome.css", IDR_WELCOME_CSS);
   html_source->AddResourcePath("logo.png", IDR_PRODUCT_LOGO_128);
   html_source->AddResourcePath("logo2x.png", IDR_PRODUCT_LOGO_256);
   html_source->AddResourcePath("watermark.svg", IDR_WEBUI_IMAGES_GOOGLE_LOGO);
   html_source->SetDefaultResource(IDR_WELCOME_HTML);
 
   content::WebUIDataSource::Add(profile, html_source);
 }
 
 WelcomeUI::~WelcomeUI() {}