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 5acb6820e1bac7fedc778a710be5f98adb9d9019..795f1df2fd9052a02b5cd3263a901bafd4e3ae64 100644
--- a/chrome/common/mac/app_mode_common.mm
+++ b/chrome/common/mac/app_mode_common.mm
@@ -8,13 +8,16 @@ 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 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),