crostini: adjust confirmation dialog strings

BUG=chromium:978332

Change-Id: I1320e91db83af8e23e73d0c408ee13ed09778c26
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1694501
Auto-Submit: Julian Watson <juwa@google.com>
Reviewed-by: Joel Hockey <joelhockey@chromium.org>
Reviewed-by: Dan Beam <dbeam@chromium.org>
Commit-Queue: Julian Watson <juwa@google.com>
Cr-Commit-Position: refs/heads/master@{#676300}

chrome/app/settings_strings.grdp

@@ -624,7 +624,7 @@
       Confirm Restore
     </message>
     <message name="IDS_SETTINGS_CROSTINI_CONFIRM_IMPORT_DIALOG_WINDOW_MESSAGE" desc="Message of the confirmation dialog displayed before container import begins.">
-      Restoring will override your existing linux installation. Are you sure you wish to continue?
+      Restoring from a backup will delete existing Linux applications and data in your Linux files folder.
     </message>
     <message name="IDS_SETTINGS_CROSTINI_SHARED_USB_DEVICES_LABEL" desc="Label for managing shared USB devices.">
       USB preferences

chrome/app/settings_strings_grdp/IDS_SETTINGS_CROSTINI_CONFIRM_IMPORT_DIALOG_WINDOW_MESSAGE.png.sha1

-3f3a4b2a98a73d4de6e438e6c91bea5b7c3cb277
+e62bb8cd606796f5bd999b23d6853549443092ab
\ No newline at end of file

chrome/app/settings_strings_grdp/IDS_SETTINGS_CROSTINI_CONFIRM_IMPORT_DIALOG_WINDOW_TITLE.png.sha1

-3f3a4b2a98a73d4de6e438e6c91bea5b7c3cb277
+e62bb8cd606796f5bd999b23d6853549443092ab
\ No newline at end of file

chrome/browser/resources/settings/crostini_page/crostini_import_confirmation_dialog.html

@@ -16,7 +16,9 @@
         <cr-button id="cancel" class="cancel-button"
             on-click="onCancelTap_">$i18n{cancel}</cr-button>
         <cr-button id="continue" class="action-button"
-            on-click="onContinueTap_">$i18n{confirm}</cr-button>
+            on-click="onContinueTap_">
+            $i18n{crostiniImportConfirmationDialogConfirmationButton}
+        </cr-button>
       </div>
     </cr-dialog>
   </template>

chrome/browser/ui/webui/settings/settings_localized_strings_provider.cc

@@ -534,6 +534,8 @@ void AddCrostiniStrings(content::WebUIDataSource* html_source,
        IDS_SETTINGS_CROSTINI_CONFIRM_IMPORT_DIALOG_WINDOW_TITLE},
       {"crostiniImportConfirmationDialogMessage",
        IDS_SETTINGS_CROSTINI_CONFIRM_IMPORT_DIALOG_WINDOW_MESSAGE},
+      {"crostiniImportConfirmationDialogConfirmationButton",
+       IDS_SETTINGS_CROSTINI_IMPORT},
       {"crostiniRemoveButton", IDS_SETTINGS_CROSTINI_REMOVE_BUTTON},
       {"crostiniSharedUsbDevicesLabel",
        IDS_SETTINGS_CROSTINI_SHARED_USB_DEVICES_LABEL},