Adding client code for new desktop First Run Experience.

chrome/browser/ui/webui/chrome_web_ui_controller_factory.cc

Index: chrome/browser/ui/webui/chrome_web_ui_controller_factory.cc
diff --git a/chrome/browser/ui/webui/chrome_web_ui_controller_factory.cc b/chrome/browser/ui/webui/chrome_web_ui_controller_factory.cc
index defe70ee0437eeee66514e663937817da009e6c0..d79cf4842035d466961432cbd3d56fb68b1cc516 100644
--- a/chrome/browser/ui/webui/chrome_web_ui_controller_factory.cc
+++ b/chrome/browser/ui/webui/chrome_web_ui_controller_factory.cc
@@ -57,7 +57,6 @@
 #include "chrome/browser/ui/webui/translate_internals/translate_internals_ui.h"
 #include "chrome/browser/ui/webui/usb_internals/usb_internals_ui.h"
 #include "chrome/browser/ui/webui/user_actions/user_actions_ui.h"
-#include "chrome/browser/ui/webui/version_ui.h"

[michaelpg, 2016/09/06 22:21:56]

wat

[tmartino, 2016/09/07 23:06:42]

Whoops, good catch. Originally had my include as the next line, and must have
accidentally grabbed the prior line when I cut/pasted it to the appropriate
place.

 #include "chrome/common/chrome_features.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
@@ -158,6 +157,8 @@
 #include "chrome/browser/ui/webui/signin/inline_login_ui.h"
 #include "chrome/browser/ui/webui/signin/sync_confirmation_ui.h"
 #include "chrome/browser/ui/webui/signin/user_manager_ui.h"
+#include "chrome/browser/ui/webui/version_ui.h"
+#include "chrome/browser/ui/webui/welcome_ui.h"
 #endif
 
 #if defined(OS_WIN)
@@ -260,7 +261,14 @@ WebUIController* NewWebUI<settings::MdSettingsUI>(WebUI* web_ui,
                                                   const GURL& url) {
   return new settings::MdSettingsUI(web_ui, url);
 }
-#endif
+
+#if !defined(OS_CHROMEOS)
+template <>
+WebUIController* NewWebUI<WelcomeUI>(WebUI* web_ui, const GURL& url) {
+  return new WelcomeUI(web_ui, url);
+}
+#endif  // !defined(OS_CHROMEOS)
+#endif  // !defined(OS_ANDROID)
 
 #if defined(ENABLE_EXTENSIONS)
 // Only create ExtensionWebUI for URLs that are allowed extension bindings,
@@ -534,6 +542,8 @@ WebUIFactoryFunction GetWebUIFactoryFunction(WebUI* web_ui,
     return &NewWebUI<SyncConfirmationUI>;
   if (url.host() == chrome::kChromeUIProfileSigninConfirmationHost)
     return &NewWebUI<ProfileSigninConfirmationUI>;
+  if (url.host() == chrome::kChromeUIWelcomeHost)
+    return &NewWebUI<WelcomeUI>;
 #endif
 
   /****************************************************************************