[Doodle] Move image fetching from LogoBridge to DoodleService

components/image_fetcher/core/image_fetcher_impl.cc

 // Copyright 2014 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 "components/image_fetcher/core/image_fetcher_impl.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "net/base/load_flags.h"
@@ skipping 48 matching lines @@
     ImageRequest request;
     request.id = id;
     request.callbacks.push_back(callback);
     pending_net_requests_[image_url].swap(&request);
 
     image_data_fetcher_->FetchImageData(
         image_url, base::Bind(&ImageFetcherImpl::OnImageURLFetched,
                               base::Unretained(this), image_url));
   } else {
     // Request in progress. Register as an interested callback.
+    // TODO(treib,markusheintz): We're not guaranteed that the ID also matches.
+    //                           We probably have to store them all.
     it->second.callbacks.push_back(callback);
   }
 }
 
 void ImageFetcherImpl::OnImageURLFetched(const GURL& image_url,
                                          const std::string& image_data,
                                          const RequestMetadata& metadata) {
   // Inform the ImageFetcherDelegate.
   if (delegate_) {
     auto it = pending_net_requests_.find(image_url);
@@ skipping 27 matching lines @@
 
   // Erase the completed ImageRequest.
   pending_net_requests_.erase(image_iter);
 }
 
 ImageDecoder* ImageFetcherImpl::GetImageDecoder() {
   return image_decoder_.get();
 }
 
 }  // namespace image_fetcher