Strings for new Chrome Cleanup prompt and Web UI

chrome/app/chromium_strings.grd

 <?xml version="1.0" encoding="UTF-8"?>
 <!-- This file contains definitions of strings that are distribution specific.
 If you update this file, be sure also to update google_chrome_strings.grd. -->
 
 <grit base_dir="." latest_public_release="0" current_release="1"
       output_all_resource_defines="false" source_lang_id="en" enc_check="möl">
   <outputs>
     <output filename="grit/chromium_strings.h" type="rc_header">
       <emit emit_type='prepend'></emit>
     </output>
@@ skipping 746 matching lines @@
         </message>
       </if>
 
       <!-- Signin Email Confirmation tab modal dialog -->
       <if expr="not chromeos">
         <message name="IDS_SIGNIN_EMAIL_CONFIRMATION_TITLE" desc="Title of the signin email confirmation tab modal dialog.">
           <ph name="USER_EMAIL_ADDRESS">$1<ex>foo@gmail.com</ex></ph> was previously using Chromium
         </message>
       </if>
 
-      <!-- SRT bubble messages -->
+      <!-- SRT bubble messages.
+           This string is for the old Chrome Cleanup version and should be
+           deleted as soon as all Chrome Cleanup UI is fully integrated into
+           Chrome. -->
       <if expr="is_win">
         <message name="IDS_SRT_BUBBLE_TITLE" desc="Text for the title of the software removal tool bubble view.">
             Chromium has detected unusual behavior
         </message>
       </if>
 
+      <!-- Chrome Cleanup prompt and web UI.
+           Note: these strings should only be used by Google Chrome, but
+                 omitting them brings up a hash collision error. -->
+      <if expr="is_win">
+        <message name="IDS_CHROME_CLEANUP_PROMPT_EXPLANATION" desc="Description in the Chrome Cleanup dialog that Chrome browser shows when unwanted software, like ad injectors or software that changes the user's settings without their knowledge, is found on the user's computer. Appears under the title asking 'Remove harmful software?' Actor is Chrome; we are asking, Do you want Chrome to remove harmful software? 'it' is harmful software. User has the option of clicking 'Remove' to proceed with a cleanup, or 'Details' to see more details. Preferrably, the translation for this string should have the same meaning as IDS_CHROME_CLEANUP_WEBUI_EXPLANATION.">
+          Chromium found harmful software on your computer. Chromium can remove it and restore your settings to make your browser work normally again.
+        </message>
+        <message name="IDS_CHROME_CLEANUP_WEBUI_EXPLANATION" desc="Description in the Chrome Cleanup web page that Chrome browser shows when unwanted software, like ad injectors or software that changes the user's settings without their knowledge, is found on the user's computer. Appears under the title asking 'Remove harmful software?' Actor is Chrome; we are asking, Do you want Chrome to remove harmful software? 'it' is harmful software. The user can click 'Remove' to proceed with a cleanup. Preferrably, the translation for this string should have the same meaning as IDS_CHROME_CLEANUP_PROMPT_EXPLANATION.">
+          Chromium found harmful software on your computer. Chromium can remove it and restore your settings to make your browser work normally again.
+        </message>
+      </if>
+
       <!-- Sync/sign-in error messages -->
       <if expr="not chromeos">
         <message name="IDS_SYNC_PASSPHRASE_ERROR_BUBBLE_VIEW_MESSAGE" desc="Message in the sync error bubble view when the user needs to update their sync passphrase.">
           Chromium could not sync your data. Please update your Sync passphrase.
         </message>
         <message name="IDS_SYNC_SIGN_IN_ERROR_BUBBLE_VIEW_MESSAGE" desc="Message in the sign-in error bubble view when the user's sign-in credentials are out of date.">
           Chromium could not sync your data because your account sign-in details are out of date.
         </message>
         <message name="IDS_SYNC_UNAVAILABLE_ERROR_BUBBLE_VIEW_MESSAGE" desc="Message in the sign-in error bubble view when sync is not available for their domain.">
           Chromium could not sync your data because Sync is not available for your domain.
@@ skipping 472 matching lines @@
         <message name="IDS_WIN10_WELCOME_PIN_SUBHEADING" desc="A subheading on a section which gives instructions on how to pin Chromium to the Windows 10 taskbar.">
           Pin Chromium to your taskbar
         </message>
         <message name="IDS_WIN10_WELCOME_SELECT" desc="An instruction asking the user to select Chromium from an external list of apps.">
           Select <ph name="SMALL_PRODUCT_LOGO">&lt;div class="logo-small"&gt;&lt;/div&gt;</ph> <ph name="BEGIN_BOLD">&lt;strong&gt;</ph>Chromium<ph name="END_BOLD">&lt;/strong&gt;</ph>
         </message>
       </if>
     </messages>
   </release>
 </grit>