Fixes sending the wrong mime-type for scaled resources (.png@2x)

chrome/browser/search/local_ntp_source.cc

Index: chrome/browser/search/local_ntp_source.cc
diff --git a/chrome/browser/search/local_ntp_source.cc b/chrome/browser/search/local_ntp_source.cc
index b4b4d7db944f5f21fe759cdeb8f350148e2e2164..c25e6ec67b08192e4ffe4a074862bdce6e5d296c 100644
--- a/chrome/browser/search/local_ntp_source.cc
+++ b/chrome/browser/search/local_ntp_source.cc
@@ -184,9 +184,12 @@ void LocalNtpSource::StartDataRequest(
 
 std::string LocalNtpSource::GetMimeType(
     const std::string& path) const {
-  const std::string stripped_path = StripParameters(path);
+  const std::string& stripped_path = StripParameters(path);
+  std::string filename;
+  webui::ParsePathAndScale(GURL(GetLocalNtpPath() + stripped_path), &filename,
+                           NULL);
   for (size_t i = 0; i < arraysize(kResources); ++i) {
-    if (stripped_path == kResources[i].filename)
+    if (filename == kResources[i].filename)
       return kResources[i].mime_type;
   }
   return std::string();