Replace SkBitmap with gfx::Image in the ImageFetcher API.

components/ntp_snippets/ntp_snippets_service.cc

Index: components/ntp_snippets/ntp_snippets_service.cc
diff --git a/components/ntp_snippets/ntp_snippets_service.cc b/components/ntp_snippets/ntp_snippets_service.cc
index 02524508ceca77bf9620436e54bc6604c47ab25e..7cc542e80ac8ca551d796d2c5f0f2f08720bf7a6 100644
--- a/components/ntp_snippets/ntp_snippets_service.cc
+++ b/components/ntp_snippets/ntp_snippets_service.cc
@@ -25,6 +25,7 @@
 #include "components/prefs/pref_registry_simple.h"
 #include "components/prefs/pref_service.h"
 #include "components/suggestions/proto/suggestions.pb.h"
+#include "ui/gfx/image/image.h"
 
 using image_fetcher::ImageFetcher;
 using suggestions::ChromeSuggestion;
@@ -147,7 +148,10 @@ bool ContainsSnippet(const NTPSnippetsService::NTPSnippetStorage& haystack,
 void WrapImageFetchedCallback(
     const NTPSnippetsService::ImageFetchedCallback& callback,
     const GURL& snippet_id_url,
-    const SkBitmap* bitmap) {
+    const gfx::Image& image) {
+  const SkBitmap* bitmap = nullptr;
+  if (!image.IsEmpty())
+    bitmap = image.ToSkBitmap();
   callback.Run(snippet_id_url.spec(), bitmap);
 }