Mac: Enable WebAppShortcutCreatorTest.CreateShortcut unit test

chrome/common/mac/app_mode_common.mm

Index: chrome/common/mac/app_mode_common.mm
diff --git a/chrome/common/mac/app_mode_common.mm b/chrome/common/mac/app_mode_common.mm
index bb8c267fa450ae275885e198793bdd9f1f4ba2a2..c6d557330e6fc4f30212b5ba5dab25cbcdd06352 100644
--- a/chrome/common/mac/app_mode_common.mm
+++ b/chrome/common/mac/app_mode_common.mm
@@ -8,7 +8,6 @@ namespace app_mode {
 
 NSString* const kBrowserBundleIDKey = @"CrBundleIdentifier";
 NSString* const kCrAppModeShortcutIDKey = @"CrAppModeShortcutID";
-NSString* const kCrAppModeShortcutShortNameKey = @"CrAppModeShortcutShortName";
 NSString* const kCrAppModeShortcutNameKey = @"CrAppModeShortcutName";
 NSString* const kCrAppModeShortcutURLKey = @"CrAppModeShortcutURL";
 NSString* const kCrAppModeUserDataDirKey = @"CrAppModeUserDataDir";
@@ -17,6 +16,10 @@ NSString* const kCrAppModeExtensionPathKey = @"CrAppModeExtensionPath";
 NSString* const kLastRunAppBundlePathPrefsKey = @"LastRunAppBundlePath";
 
 NSString* const kShortcutIdPlaceholder = @"APP_MODE_SHORTCUT_ID";
+NSString* const kShortcutNamePlaceholder = @"APP_MODE_SHORTCUT_NAME";
+NSString* const kShortcutURLPlaceholder = @"APP_MODE_SHORTCUT_URL";
+NSString* const kShortcutBrowserBundleIDPlaceholder =
+                    @"APP_MODE_BROWSER_BUNDLE_ID";
 
 ChromeAppModeInfo::ChromeAppModeInfo()
     : major_version(0),