Introduce concept of provisional destinations to print preview

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 f31abb764df9c542f14d627a09091a92c5cf30b7..8f49f93c21840d351377a9c71b0efc3ae01e61c1 100644
--- a/chrome/app/generated_resources.grd
+++ b/chrome/app/generated_resources.grd
@@ -8825,6 +8825,18 @@ I don't think this site should be blocked!
         <message name="IDS_PRINT_PREVIEW_INVITE_TEXT" desc="Message to show when the user has pending printer-sharing invitation.">
           &lt;strong&gt;<ph name="SENDER">$1</ph>&lt;/strong&gt; wants to share a printer &lt;strong&gt;<ph name="PRINTER_NAME">$2</ph>&lt;/strong&gt; with you.
         </message>
+        <message name="IDS_PRINT_PREVIEW_BUTTON_SELECT" desc="Label for a button in a dialog asking a user to confirm selection of a printer in print preview UI. The printer gets selected if the user clicks the button.">
+          Select
+        </message>
+        <message name="IDS_PRINT_PREVIEW_BUTTON_GO_BACK" desc="Label for a button in a dialog asking a user to confirm selection of a printer in print preview UI. Clicking the button will cancel printer selection, close the dialog and go back to the list of printers available for selection.">
+          Back
+        </message>
+        <message name="IDS_PRINT_PREVIEW_RESOLVE_EXTENSION_USB_PERMISSION_MESSAGE" desc="Warning shown to the user when they attempt to select a USB printer supported by an extension, but for which the extension doesn't yet have access permission. The user is warned that selecting the printer would grant the extension access to the USB device and asked to confirm or cancel the selection. The extension name will be shown in the paragraph immediately bellow this message.">
+          By selecting this printer, you are giving the following extension the permission to access your printer:
+        </message>
+        <message name="IDS_PRINT_PREVIEW_RESOLVE_EXTENSION_USB_ERROR_MESSAGE" desc="Message shown to the user when they attempt to select a USB pinter supported by an extension, but for which the extension does not yet have access permission. The message is shown if the user grants the extension access to the USB device (by confirming printer selection), but the extension is not able to retrieve information about the printer, and an error is reported. The message contains a placeholder for the name of the extension.">
+          <ph name="EXTENSION_NAME">$1<ex>Print app</ex></ph> could not communicate with this printer. Make sure the printer is plugged in and try again.
+        </message>
       </if>
 
       <!-- Load State -->