Don't translate '[*.]example.com' pattern

This string is an example for a valid content settings pattern.
Most translations leave it untouched but some change the url to
something that is not a valid example domain or breaks the syntax.

Bug: 1095878
Change-Id: I95fa441d9c356fe55e893b6a3ea4f191e03fd9de
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2249762
Commit-Queue: Christian Dullweber <dullweber@chromium.org>
Auto-Submit: Christian Dullweber <dullweber@chromium.org>
Reviewed-by: Tommy Li <tommycli@chromium.org>
Cr-Commit-Position: refs/heads/master@{#780237}

chrome/app/settings_strings.grdp

@@ -2269,9 +2269,6 @@
   <message name="IDS_SETTINGS_NO_HID_DEVICES_FOUND" desc="Explanation for not showing HID devices in site settings.">
     No HID devices found
   </message>
-  <message name="IDS_SETTINGS_ADD_SITE_EXCEPTION_PLACEHOLDER" desc="Placeholder text shown before the user starts typing a new content settings exception for a site." >
-    [*.]example.com
-  </message>
   <message name="IDS_SETTINGS_ADD_SITE_TITLE" desc="Title for the Add Site dialog">
     Add a site
   </message>

chrome/browser/ui/webui/settings/settings_localized_strings_provider.cc

@@ -1449,8 +1449,6 @@ void AddSiteSettingsStrings(content::WebUIDataSource* html_source,
                             Profile* profile) {
   static constexpr webui::LocalizedString kLocalizedStrings[] = {
     {"addSite", IDS_SETTINGS_ADD_SITE},
-    {"addSiteExceptionPlaceholder",
-     IDS_SETTINGS_ADD_SITE_EXCEPTION_PLACEHOLDER},
     {"addSiteTitle", IDS_SETTINGS_ADD_SITE_TITLE},
 #if defined(OS_CHROMEOS)
     {"androidSmsNote", IDS_SETTINGS_ANDROID_SMS_NOTE},
@@ -1975,6 +1973,9 @@ void AddSiteSettingsStrings(content::WebUIDataSource* html_source,
   html_source->AddBoolean("enableWebBluetoothNewPermissionsBackend",
                           base::FeatureList::IsEnabled(
                               features::kWebBluetoothNewPermissionsBackend));
+
+  // The exception placeholder should not be translated. See crbug.com/1095878.
+  html_source->AddString("addSiteExceptionPlaceholder", "[*.]example.com");
 }
 
 #if !defined(OS_CHROMEOS)