PrintPreview:[MAC] Added "Open PDF In Preview" option to open the pdf in native preview app.

chrome/app/generated_resources.grd

 <?xml version="1.0" encoding="UTF-8"?>
 
 <!--
 This file contains definitions of resources that will be translated for each
 locale.  The variables is_win, is_macosx, is_linux, and is_posix are available
 for making strings OS specific.  Other platform defines such as use_titlecase
 are declared in build/common.gypi.
 -->
 
 <grit base_dir="." latest_public_release="0" current_release="1"
@@ skipping 6307 matching lines @@
       </message>
       <message name="IDS_PRINT_PREVIEW_PRINT_BUTTON" desc="Print button.">
         Print
       </message>
       <message name="IDS_PRINT_PREVIEW_PRINTING" desc="Text shown after the user clicks on the print button and before the print preview tab is closed to let him know that printing is in progress.">
         Printing...
       </message>
       <message name="IDS_PRINT_PREVIEW_PRINTING_TO_PDF_IN_PROGRESS" desc="Text shown after the user clicks on the print button while Print To PDF is selected, but the PDF file is not ready yet.">
         Printing to PDF in progress
       </message>
+      <if expr="is_macosx">
+        <message name="IDS_PRINT_PREVIEW_OPENING_PDF_IN_PREVIEW" desc="Text shown after the user clicks on the open pdf in preview button while the pdf file is not ready yet.">
+        Opening PDF in Preview
+        </message>
+      </if>
       <message name="IDS_PRINT_PREVIEW_CANCEL_BUTTON" desc="Cancel button.">
         Cancel
       </message>
       <message name="IDS_PRINT_PREVIEW_OPTION_ALL_PAGES" desc="Option to print all pages.">
         All
       </message>
       <message name="IDS_PRINT_PREVIEW_DESTINATION_LABEL" desc="Destination option label. It is displayed right on top of the available printers list.">
         Destination
       </message>
       <message name="IDS_PRINT_PREVIEW_OPTION_BW" desc="Option to print in black and white.">
@@ skipping 65 matching lines @@
       <message name="IDS_PRINT_PREVIEW_SHEETS_LABEL_PLURAL" desc="Label shown in the print preview summary.">
         sheets of paper
       </message>
       <message name="IDS_PRINT_PREVIEW_SHEETS_LABEL_SINGULAR" desc="Label shown in the print preview summary.">
         sheet of paper
       </message>
       <message name="IDS_PRINT_PREVIEW_PAGE_LABEL_SINGULAR" desc="Label shown in the print preview summary.">
         page
       </message>
       <message name="IDS_PRINT_PREVIEW_PAGE_LABEL_PLURAL" desc="Label shown in the print preview summary.">
-        pages
       </message>
+      <if expr="is_macosx">
+        <message name="IDS_PRINT_PREVIEW_OPEN_PDF_IN_PREVIEW_APP" desc="Option allowing the user to open the pdf in native preview app">
+        Open PDF in Preview
+        </message>
+      </if>
       <message name="IDS_PRINT_PREVIEW_SYSTEM_DIALOG_OPTION" desc="Option allowing the user to access advanced printer settings using the native print system dialog instead of printing through the print preview mechanism. Shortcut key is not translated">
         Print using system dialog... <ph name="SHORTCUT_KEY">$1<ex>(Shift+Ctrl+P)</ex></ph>
       </message>
       <message name="IDS_PRINT_PREVIEW_CLOUD_DIALOG_OPTION" desc="Option allowing the user to access advanced printer settings using the cloud print dialog instead of printing through the print preview mechanism.">
         Print using <ph name="CLOUD_PRINT_NAME">Google Cloud Print</ph> dialog... <ph name="SHORTCUT_KEY">$1<ex>(Shift+Ctrl+P)</ex></ph>
       </message>
       <message name="IDS_PRINT_PREVIEW_PAGE_RANGE_INSTRUCTION" desc="Instruction shown when the user enters an invalid page range.">
         Invalid page range, use <ph name="EXAMPLE_PAGE_RANGE">$1<ex>e.g. 1-5, 8, 11-13</ex></ph>
       </message>
       <message name="IDS_PRINT_PREVIEW_COPIES_INSTRUCTION" desc="Instruction shown when the user enters an invalid number of copies.">
@@ skipping 8178 matching lines @@
     </messages>
     <structures fallback_to_english="true">
       <!-- Make sure these stay in sync with the structures in generated_resources.grd. -->
       <structure name="IDD_CHROME_FRAME_FIND_DIALOG" file="cf_resources.rc" type="dialog" >
       </structure>
       <structure name="IDD_CHROME_FRAME_READY_PROMPT" file="cf_resources.rc" type="dialog" >
       </structure>
     </structures>
   </release>
 </grit>