Add support for printing selection only flag. This only adds the flag to the ...

chrome/renderer/print_web_view_helper.cc

 // 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.
 
 #include "chrome/renderer/print_web_view_helper.h"
 
 #include "app/l10n_util.h"
 #include "base/logging.h"
 #include "base/gfx/size.h"
 #include "chrome/common/render_messages.h"
@@ skipping 109 matching lines @@
 
       // Ask the browser to show UI to retrieve the final print settings.
       ViewMsg_PrintPages_Params print_settings;
       // host_window_ may be NULL at this point if the current window is a popup
       // and the print() command has been issued from the parent. The receiver
       // of this message has to deal with this.
       msg = new ViewHostMsg_ScriptedPrint(routing_id(),
                                           render_view_->host_window(),
                                           default_settings.document_cookie,
                                           expected_pages_count,
+                                          true,  // has_selection
                                           &print_settings);
       if (Send(msg)) {
         msg = NULL;
 
+        // Printing selection only not supported yet.
+        if (print_settings.params.selection_only) {
+          NOTIMPLEMENTED();
+        }
+
         // If the settings are invalid, early quit.
         if (print_settings.params.dpi &&
             print_settings.params.document_cookie) {
           // Render the printed pages. It will implicitly revert the document to
           // display CSS media type.
           PrintPages(print_settings, frame);
           // All went well.
           return;
         } else {
           // The user cancelled.
@@ skipping 182 matching lines @@
 
 gfx::NativeViewId PrintWebViewHelper::GetContainingView(WebWidget* webwidget) {
   NOTREACHED();
   return gfx::NativeViewId();
 }
 
 bool PrintWebViewHelper::IsHidden(WebWidget* webwidget) {
   NOTREACHED();
   return true;
 }