Remove some string IDS' _NEW_STYLE suffix and some unused IDS.

chrome/app/chromium_strings.grd

Index: chrome/app/chromium_strings.grd
diff --git a/chrome/app/chromium_strings.grd b/chrome/app/chromium_strings.grd
index 1e26e125c7d8c9fc60baebfc4d52f8ec048d9626..bbe57ab30d43d44f43a433f8e119354bdc400944 100644
--- a/chrome/app/chromium_strings.grd
+++ b/chrome/app/chromium_strings.grd
@@ -743,32 +743,15 @@ Signing in anyway will merge Chromium information like bookmarks, history, and o
         </message>
       </if>
 
-      <!-- Enterprise sign-in profile linking -->
-      <if expr="not is_android">
-        <message name="IDS_ENTERPRISE_SIGNIN_TITLE" desc="The title of the dialog to confirm linking the browser profile with the signed-in enterprise account">
-          Important information regarding your Chromium data
-        </message>
-        <message name="IDS_ENTERPRISE_SIGNIN_EXPLANATION" desc="The warning message displayed to an enterprise user about to link their profile to their Google account. This message is followed by a 'Learn more' link.">
-          You are signing in with a managed account and giving its administrator control over your Chromium profile. Your Chromium data, such as your apps, bookmarks, history, passwords, and other settings will become permanently tied to <ph name="USER_NAME">$1<ex>pat@example.com</ex></ph>. You will be able to delete this data via the Google Accounts Dashboard, but you will not be able to associate this data with another account.
-        </message>
-        <message name="IDS_ENTERPRISE_SIGNIN_CREATE_NEW_PROFILE_MESSAGE" desc="The text of the prompt to create a new profile after signing in to an enterprise account">
-          If you prefer to keep your existing Chromium data separate, you can create a new Chromium user for <ph name="USER_NAME">$1<ex>pat@example.com</ex></ph>.
-        </message>
-        <message name="IDS_ENTERPRISE_SIGNIN_CONTINUE" desc="Text of the button to link the current profile with the signed-in enterprise account">
-          Link my Chromium data to this account
-        </message>
-      </if>
-
-      <!-- Enterprise sign-in dialog (new-style) -->
-      <!-- TODO(crbug.com/660349): remove "new-style" once the old dialog is gone. -->
+      <!-- Enterprise sign-in dialog -->
       <if expr="toolkit_views or is_macosx">
-        <message name="IDS_ENTERPRISE_SIGNIN_TITLE_NEW_STYLE" desc="The title of the dialog to confirm linking the browser profile with the signed-in enterprise account">
+        <message name="IDS_ENTERPRISE_SIGNIN_TITLE" desc="The title of the dialog to confirm linking the browser profile with the signed-in enterprise account">
           Link your Chromium data to this account?
         </message>
-        <message name="IDS_ENTERPRISE_SIGNIN_EXPLANATION_WITHOUT_PROFILE_CREATION_NEW_STYLE" desc="The warning message displayed to an enterprise user about to link their profile to their Google account. This message is followed by a 'Learn more' link.">
+        <message name="IDS_ENTERPRISE_SIGNIN_EXPLANATION_WITHOUT_PROFILE_CREATION" desc="The warning message displayed to an enterprise user about to link their profile to their Google account. This message is followed by a 'Learn more' link.">
           You are signing in with a managed account and giving its administrator control over your Chromium profile. Your Chromium data, such as your apps, bookmarks, history, passwords, and other settings will become permanently tied to <ph name="USER_NAME">$1<ex>pat@example.com</ex></ph>. You will be able to delete this data via the Google Accounts Dashboard, but you will not be able to associate this data with another account. <ph name="LEARN_MORE">$2<ex>Learn more</ex></ph>
         </message>
-        <message name="IDS_ENTERPRISE_SIGNIN_EXPLANATION_WITH_PROFILE_CREATION_NEW_STYLE" desc="The warning message displayed to an enterprise user about to link their profile to their Google account. Additionally notifies the user that they can create a new profile instead. This message is followed by a 'Learn more' link.">
+        <message name="IDS_ENTERPRISE_SIGNIN_EXPLANATION_WITH_PROFILE_CREATION" desc="The warning message displayed to an enterprise user about to link their profile to their Google account. Additionally notifies the user that they can create a new profile instead. This message is followed by a 'Learn more' link.">
           You are signing in with a managed account and giving its administrator control over your Chromium profile. Your Chromium data, such as your apps, bookmarks, history, passwords, and other settings will become permanently tied to <ph name="USER_NAME">$1<ex>pat@example.com</ex></ph>. You will be able to delete this data via the Google Accounts Dashboard, but you will not be able to associate this data with another account. You can optionally create a new profile to keep your existing Chromium data separate. <ph name="LEARN_MORE">$2<ex>Learn more</ex></ph>
         </message>
       </if>