Adding the chrome://copresence page

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 37b71eecabe25d6eb7084743cfd2e9d8a9048622..0891ae2e9f3594fe22158434317c819480187f39 100644
--- a/chrome/browser/ui/webui/chrome_web_ui_controller_factory.cc
+++ b/chrome/browser/ui/webui/chrome_web_ui_controller_factory.cc
@@ -22,6 +22,7 @@
 #include "chrome/browser/ui/webui/bookmarks_ui.h"
 #include "chrome/browser/ui/webui/components_ui.h"
 #include "chrome/browser/ui/webui/constrained_web_dialog_ui.h"
+#include "chrome/browser/ui/webui/copresence_ui.h"
 #include "chrome/browser/ui/webui/crashes_ui.h"
 #include "chrome/browser/ui/webui/domain_reliability_internals_ui.h"
 #include "chrome/browser/ui/webui/downloads_ui.h"
@@ -297,6 +298,10 @@ WebUIFactoryFunction GetWebUIFactoryFunction(WebUI* web_ui,
     return &NewWebUI<ComponentsUI>;
   if (url.spec() == chrome::kChromeUIConstrainedHTMLTestURL)
     return &NewWebUI<ConstrainedWebDialogUI>;
+#if !defined(OS_ANDROID) && !defined(OS_IOS)
+  if (url.host() == chrome::kChromeUICopresenceHost)
+    return &NewWebUI<CopresenceUI>;
+#endif
   if (url.host() == chrome::kChromeUICrashesHost)
     return &NewWebUI<CrashesUI>;
   if (url.host() == chrome::kChromeUIDomainReliabilityInternalsHost)