Refactor print preview web ui

chrome/browser/ui/webui/print_preview/print_preview_data_source.cc

 // Copyright (c) 2012 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/print_preview_data_source.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "base/message_loop.h"
@@ skipping 124 matching lines @@
   AddLocalizedString("top", IDS_PRINT_PREVIEW_TOP_MARGIN_LABEL);
   AddLocalizedString("bottom", IDS_PRINT_PREVIEW_BOTTOM_MARGIN_LABEL);
   AddLocalizedString("left", IDS_PRINT_PREVIEW_LEFT_MARGIN_LABEL);
   AddLocalizedString("right", IDS_PRINT_PREVIEW_RIGHT_MARGIN_LABEL);
 
   set_json_path("strings.js");
   if (is_dummy) {
     set_default_resource(IDR_PRINT_PREVIEW_DUMMY_HTML);
   } else {
     add_resource_path("print_preview.js", IDR_PRINT_PREVIEW_JS);
+    add_resource_path("images/classic_printer_24.png",
+                      IDR_PRINT_PREVIEW_IMAGES_CLASSIC_PRINTER_24);
+    add_resource_path("images/cloud_printer_24.png",
+                      IDR_PRINT_PREVIEW_IMAGES_CLOUD_PRINTER_24);
+    add_resource_path("images/google_sponsored_printer_24.png",
+                      IDR_PRINT_PREVIEW_IMAGES_GOOGLE_SPONSORED_PRINTER_24);
+    add_resource_path("images/classic_printer_32.png",
+                      IDR_PRINT_PREVIEW_IMAGES_CLASSIC_PRINTER_32);
+    add_resource_path("images/cloud_printer_32.png",
+                      IDR_PRINT_PREVIEW_IMAGES_CLOUD_PRINTER_32);
+    add_resource_path("images/google_sponsored_printer_32.png",
+                      IDR_PRINT_PREVIEW_IMAGES_GOOGLE_SPONSORED_PRINTER_32);
     set_default_resource(IDR_PRINT_PREVIEW_HTML);
   }
 }
 
 PrintPreviewDataSource::~PrintPreviewDataSource() {
 }
 
 void PrintPreviewDataSource::StartDataRequest(const std::string& path,
                                               bool is_incognito,
                                               int request_id) {
@@ skipping 13 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);
 }