Fix 2x UI issues for Feedback.

content/browser/webui/shared_resources_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 "content/browser/webui/shared_resources_data_source.h"
 
 #include "base/logging.h"
 #include "base/memory/ref_counted_memory.h"
 #include "base/strings/string_util.h"
 #include "base/threading/thread_restrictions.h"
@@ skipping 17 matching lines @@
 // path to ui/resources instead.
 // TODO(rkc): Once we have a separate source for apps, remove this code.
 bool AppsRelativePathMatch(const std::string& path,
                            const std::string& compareto) {
   if (StartsWithASCII(path, kAppImagesPath, false)) {
     if (compareto ==
         (kReplacement + path.substr(arraysize(kAppImagesPath) - 1)))
       return true;
   } else if (StartsWithASCII(path, kAppImagesPath2x, false)) {
     if (compareto ==
-        (kReplacement2x + path.substr(arraysize(kAppImagesPath) - 1)))
+        (kReplacement2x + path.substr(arraysize(kAppImagesPath2x) - 1)))
       return true;
   }
   return false;
 }
 
 int PathToIDR(const std::string& path) {
   int idr = -1;
   for (size_t i = 0; i < kWebuiResourcesSize; ++i) {
     if ((path == kWebuiResources[i].name) ||
         AppsRelativePathMatch(path, kWebuiResources[i].name)) {
@@ skipping 33 matching lines @@
 std::string SharedResourcesDataSource::GetMimeType(
     const std::string& path) const {
   // Requests should not block on the disk!  On POSIX this goes to disk.
   // http://code.google.com/p/chromium/issues/detail?id=59849
 
   base::ThreadRestrictions::ScopedAllowIO allow_io;
   std::string mime_type;
   net::GetMimeTypeFromFile(base::FilePath().AppendASCII(path), &mime_type);
   return mime_type;
 }