[cros] Add checkbox for toggling data roaming setting.

chrome/browser/resources/options/chromeos_internet_options_page.css

Index: chrome/browser/resources/options/chromeos_internet_options_page.css
diff --git a/chrome/browser/resources/options/chromeos_internet_options_page.css b/chrome/browser/resources/options/chromeos_internet_options_page.css
index 9acbec8f2696d11e8a0e82afde452872930c4a90..b6a01a36860fa210f60398ad29e2cd592ea39131 100644
--- a/chrome/browser/resources/options/chromeos_internet_options_page.css
+++ b/chrome/browser/resources/options/chromeos_internet_options_page.css
@@ -169,6 +169,14 @@ html[dir='rtl'] .details-button {
   vertical-align: middle;
 }
 
+#internetOwnerOnlyWarning {  
+  margin-bottom: 10px;
+  margin-top: 10px;
+  -webkit-padding-start: 20px;
+  background-repeat: no-repeat;
+  background-image: url('warning.png');
+}
+
 #internetPage:not([accesslocked]) #lockedNetworkBanner,
 #internetPage[accesslocked] #wirelessButtons,
 #internetPage[accesslocked] #wiredSection,