Allow MultiResolutionImageFetcher to fetch image from file:/// protocol

content/renderer/fetchers/multi_resolution_image_resource_fetcher.cc

Index: content/renderer/fetchers/multi_resolution_image_resource_fetcher.cc
diff --git a/content/renderer/fetchers/multi_resolution_image_resource_fetcher.cc b/content/renderer/fetchers/multi_resolution_image_resource_fetcher.cc
index 77a287e293443a9a92c755880de00e8a766940c7..304abe890d7b84b1205a050b34cabf65e0aacc04 100644
--- a/content/renderer/fetchers/multi_resolution_image_resource_fetcher.cc
+++ b/content/renderer/fetchers/multi_resolution_image_resource_fetcher.cc
@@ -44,7 +44,8 @@ void MultiResolutionImageResourceFetcher::OnURLFetchComplete(
   std::vector<SkBitmap> bitmaps;
   if (!response.isNull()) {
     http_status_code_ = response.httpStatusCode();
-    if (http_status_code_ == 200) {
+    GURL url(response.url());
+    if (http_status_code_ == 200 || url.SchemeIsFile()) {

[jamesr, 2013/07/13 01:40:07]

why the extra temp variable?

       // Request succeeded, try to convert it to an image.
       bitmaps = ImageDecoder::DecodeAll(
           reinterpret_cast<const unsigned char*>(data.data()), data.size());