Do not show untrustworthy strings in the basic auth dialog.

chrome/app/generated_resources.grd

Index: chrome/app/generated_resources.grd
diff --git a/chrome/app/generated_resources.grd b/chrome/app/generated_resources.grd
index fdce190dba59b8f7f3064b241379b1c8b46c1b93..6223922670cfa50fe4bb6b4a5a3af75a3df2b83d 100644
--- a/chrome/app/generated_resources.grd
+++ b/chrome/app/generated_resources.grd
@@ -3431,16 +3431,10 @@ Even if you have downloaded files from this website before, the website might ha
       <message name="IDS_LOGIN_DIALOG_TITLE" desc="String to be displayed in the title bar of the login prompt dialog" formatter_data="android_java">
         Authentication Required
       </message>
-      <message name="IDS_LOGIN_DIALOG_DESCRIPTION" desc="String to be displayed in the login prompt dialog to explain what the user needs to do">
-        The server <ph name="DOMAIN">$1<ex>google.com</ex></ph> requires a username and password. The server says: <ph name="REALM">$2<ex>opaque string</ex></ph>.
+      <message name="IDS_LOGIN_DIALOG_AUTHORITY" desc="String to be displayed in the login prompt dialog to explain that the user needs to log in, and the name of the web site">
+        <ph name="DOMAIN">$1<ex>google.com</ex></ph> requires a username and password.
       </message>
-      <message name="IDS_LOGIN_DIALOG_DESCRIPTION_NO_REALM" desc="String to be displayed in the login prompt dialog to explain what the user needs to do">
-        The server <ph name="DOMAIN">$1<ex>google.com</ex></ph> requires a username and password.
-      </message>
-      <message name="IDS_LOGIN_DIALOG_DESCRIPTION_PROXY" desc="String to be displayed in the proxy login prompt dialog to explain what the user needs to do">
-        The proxy <ph name="DOMAIN">$1<ex>google.com</ex></ph> requires a username and password. The proxy says: <ph name="REALM">$2<ex>opaque string</ex></ph>.
-      </message>
-      <message name="IDS_LOGIN_DIALOG_DESCRIPTION_PROXY_NO_REALM" desc="String to be displayed in the proxy login prompt dialog to explain what the user needs to do">
+      <message name="IDS_LOGIN_DIALOG_PROXY_AUTHORITY" desc="String to be displayed in the proxy login prompt dialog to explain that the user needs to log in, and the name of the proxy">
         The proxy <ph name="DOMAIN">$1<ex>google.com</ex></ph> requires a username and password.
       </message>
       <message name="IDS_LOGIN_DIALOG_USERNAME_FIELD" desc="The label of the username field in the login prompt dialog" formatter_data="android_java">