Load the resources for max scale factor first.

chrome/browser/ui/webui/fileicon_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/fileicon_source.h"
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/file_path.h"
 #include "base/memory/ref_counted_memory.h"
@@ skipping 57 matching lines @@
 
 // Simple parser for data on the query.
 void ParseQueryParams(const std::string& query,
                       ui::ScaleFactor* scale_factor,
                       IconLoader::IconSize* icon_size) {
   typedef std::pair<std::string, std::string> KVPair;
   std::vector<KVPair> parameters;
   if (icon_size)
     *icon_size = IconLoader::NORMAL;
   if (scale_factor)
-    *scale_factor = ui::SCALE_FACTOR_NONE;
+    *scale_factor = ui::SCALE_FACTOR_100P;
   base::SplitStringIntoKeyValuePairs(query, '=', '&', &parameters);
   for (std::vector<KVPair>::const_iterator iter = parameters.begin();
        iter != parameters.end(); ++iter) {
     if (icon_size && iter->first == kIconSize)
       *icon_size = SizeStringToIconSize(iter->second);
     else if (scale_factor && iter->first == kScaleFactor)
       web_ui_util::ParseScaleFactor(iter->second, scale_factor);
   }
 }
 
@@ skipping 63 matching lines @@
         icon->ToImageSkia()->GetRepresentation(
             details.scale_factor).sk_bitmap(),
         false, &icon_data->data());
 
     SendResponse(details.request_id, icon_data);
   } else {
     // TODO(glen): send a dummy icon.
     SendResponse(details.request_id, NULL);
   }
 }