Opens the HaTS dialog with an empty HTML

chrome/common/url_constants.cc

Index: chrome/common/url_constants.cc
diff --git a/chrome/common/url_constants.cc b/chrome/common/url_constants.cc
index d6a162a54c36069800da99786c9a36a3bb2cec80..92b8408ca1f2c9c8e6dc87fee63d8e35e309defb 100644
--- a/chrome/common/url_constants.cc
+++ b/chrome/common/url_constants.cc
@@ -112,6 +112,7 @@ const char kChromeUIChooseMobileNetworkURL[] =
     "chrome://choose-mobile-network/";
 const char kChromeUIDeviceEmulatorURL[] = "chrome://device-emulator/";
 const char kChromeUIFirstRunURL[] = "chrome://first-run/";
+const char kChromeUIHatsURL[] = "chrome://hats/";
 const char kChromeUIKeyboardOverlayURL[] = "chrome://keyboardoverlay/";
 const char kChromeUIMobileSetupURL[] = "chrome://mobilesetup/";
 const char kChromeUINfcDebugURL[] = "chrome://nfc-debug/";
@@ -286,6 +287,7 @@ const char kChromeUIChooseMobileNetworkHost[] = "choose-mobile-network";
 const char kChromeUICryptohomeHost[] = "cryptohome";
 const char kChromeUIDeviceEmulatorHost[] = "device-emulator";
 const char kChromeUIFirstRunHost[] = "first-run";
+const char kChromeUIHatsHost[] = "hats";
 const char kChromeUIKeyboardOverlayHost[] = "keyboardoverlay";
 const char kChromeUILoginContainerHost[] = "login-container";
 const char kChromeUILoginHost[] = "login";