Add possibility to define data callback to BitmapFetcher

chrome/browser/search/suggestions/image_fetcher_impl.cc

Index: chrome/browser/search/suggestions/image_fetcher_impl.cc
diff --git a/chrome/browser/search/suggestions/image_fetcher_impl.cc b/chrome/browser/search/suggestions/image_fetcher_impl.cc
index 936beba3081133d9a363d5437b1ebf81830dde6d..466c2af9a0a69db24b059795930a1d305bb3b7c4 100644
--- a/chrome/browser/search/suggestions/image_fetcher_impl.cc
+++ b/chrome/browser/search/suggestions/image_fetcher_impl.cc
@@ -42,10 +42,11 @@ void ImageFetcherImpl::StartOrQueueNetworkRequest(
     ImageRequest request(new chrome::BitmapFetcher(image_url, this));
     request.url = url;
     request.callbacks.push_back(callback);
-    request.fetcher->Start(
+    request.fetcher->Init(
         url_request_context_, std::string(),
         net::URLRequest::CLEAR_REFERRER_ON_TRANSITION_FROM_SECURE_TO_INSECURE,
         net::LOAD_NORMAL);
+    request.fetcher->Start();
     pending_net_requests_[image_url].swap(&request);
   } else {
     // Request in progress. Register as an interested callback.