Add a dropdown to change the default content setting to the Website Settings page.

chrome/browser/resources/options/website_settings.css

Index: chrome/browser/resources/options/website_settings.css
diff --git a/chrome/browser/resources/options/website_settings.css b/chrome/browser/resources/options/website_settings.css
index eb234b537c42a5997538a58340693f25d8518986..55ba99dc133646fee444487ce87e0d7113ea8656 100644
--- a/chrome/browser/resources/options/website_settings.css
+++ b/chrome/browser/resources/options/website_settings.css
@@ -3,6 +3,7 @@
  * found in the LICENSE file. */
 
 #website-settings-page {
+  min-height: 445px;
   min-width: 540px;
 }
 
@@ -111,6 +112,16 @@
   min-width: 165px;
 }
 
+#website-settings-global-controls {
+  -webkit-margin-after: 8px;
+  align-items: center;
+  display: flex;
+}
+
+#global-setting {
+  flex: 1;
+}
+
 /* Styles for the origin list elements in the website settings page. */
 .origin-list {
   border: 1px solid #d9d9d9;