Print Preview: Adding UI for margin settings.

chrome/browser/ui/webui/print_preview_data_source.cc

 // Copyright (c) 2011 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/browser/ui/webui/print_preview_data_source.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "base/message_loop.h"
@@ skipping 105 matching lines @@
   AddLocalizedString("incrementTitle", IDS_PRINT_PREVIEW_INCREMENT_TITLE);
   AddLocalizedString("decrementTitle", IDS_PRINT_PREVIEW_DECREMENT_TITLE);
   AddLocalizedString("printPagesLabel", IDS_PRINT_PREVIEW_PRINT_PAGES_LABEL);
   AddLocalizedString("optionsLabel", IDS_PRINT_PREVIEW_OPTIONS_LABEL);
   AddLocalizedString("optionHeaderFooter",
                      IDS_PRINT_PREVIEW_OPTION_HEADER_FOOTER);
   AddLocalizedString("marginsLabel", IDS_PRINT_PREVIEW_MARGINS_LABEL);
   AddLocalizedString("defaultMargins", IDS_PRINT_PREVIEW_DEFAULT_MARGINS);
   AddLocalizedString("noMargins", IDS_PRINT_PREVIEW_NO_MARGINS);
   AddLocalizedString("customMargins", IDS_PRINT_PREVIEW_CUSTOM_MARGINS);
+  AddLocalizedString("invalidMarginSettings",
+                     IDS_PRINT_PREVIEW_INVALID_MARGIN_SETTINGS);
 
   set_json_path("strings.js");
   add_resource_path("print_preview.js", IDR_PRINT_PREVIEW_JS);
   set_default_resource(IDR_PRINT_PREVIEW_HTML);
 }
 
 PrintPreviewDataSource::~PrintPreviewDataSource() {
 }
 
 void PrintPreviewDataSource::StartDataRequest(const std::string& path,
@@ skipping 15 matching lines @@
           url_substr[0], page_index, &data);
   }
   if (data.get()) {
     SendResponse(request_id, data);
     return;
   }
   // Invalid request.
   scoped_refptr<RefCountedBytes> empty_bytes(new RefCountedBytes);
   SendResponse(request_id, empty_bytes);
 }