Add Print Selection support to Chrome. This change is fairly involved since ...

chrome/browser/tab_contents/tab_contents.h

 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_TAB_CONTENTS_TAB_CONTENTS_H_
 #define CHROME_BROWSER_TAB_CONTENTS_TAB_CONTENTS_H_
 
 #include "build/build_config.h"
 
 #include <map>
@@ skipping 506 matching lines @@
   // the "Print..." dialog box. (managed by the print worker thread).
   // TODO(maruel):  Creates a snapshot of the renderer to be used for the new
   // tab for the printing facility.
   void PrintPreview();
 
   // Prints the current document immediately. Since the rendering is
   // asynchronous, the actual printing will not be completed on the return of
   // this function. Returns false if printing is impossible at the moment.
   bool PrintNow();
 
+  // Notify the completion of a printing job.
+  void PrintingDone(int document_cookie, bool success);
+
   // Returns true if the active NavigationEntry's page_id equals page_id.
   bool IsActiveEntry(int32 page_id);
 
   const std::string& contents_mime_type() const {
     return contents_mime_type_;
   }
 
   // Returns true if this TabContents will notify about disconnection.
   bool notify_disconnection() const { return notify_disconnection_; }
 
@@ skipping 529 matching lines @@
   // True if the user has decided to block future javascript messages. This is
   // reset on navigations to false on navigations.
   bool suppress_javascript_messages_;
 
   // ---------------------------------------------------------------------------
 
   DISALLOW_COPY_AND_ASSIGN(TabContents);
 };
 
 #endif  // CHROME_BROWSER_TAB_CONTENTS_TAB_CONTENTS_H_