Strings for new Chrome Cleanup prompt and Web UI

chrome/app/google_chrome_strings.grd

Index: chrome/app/google_chrome_strings.grd
diff --git a/chrome/app/google_chrome_strings.grd b/chrome/app/google_chrome_strings.grd
index 4e7e26ba8ed8a482c63bf611c0d8e694a0596083..cc07240ab35dce3d1628610267c82c6ce0f746ad 100644
--- a/chrome/app/google_chrome_strings.grd
+++ b/chrome/app/google_chrome_strings.grd
@@ -768,13 +768,26 @@ Signing in anyway will merge Chrome information like bookmarks, history, and oth
         </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.">
             Chrome has detected unusual behavior
         </message>
       </if>
 
+      <!-- Chrome Cleanup prompt and web UI -->
+      <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 match IDS_CHROME_CLEANUP_WEBUI_EXPLANATION.">
+          Chrome found harmful software on your computer. Chrome 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 match IDS_CHROME_CLEANUP_PROMPT_EXPLANATION.">
+          Chrome found harmful software on your computer. Chrome 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.">