[Icons NTP] Refactor large_icon_source to extract the logic shared between desktop and Android to f…

chrome/browser/ui/webui/large_icon_source.h

Index: chrome/browser/ui/webui/large_icon_source.h
diff --git a/chrome/browser/ui/webui/large_icon_source.h b/chrome/browser/ui/webui/large_icon_source.h
index 05872d2a1917eb70316a1d4661c5f065cad2d0b7..cd9de9907b05f4a38d59ee62fe97106dfa6b73d7 100644
--- a/chrome/browser/ui/webui/large_icon_source.h
+++ b/chrome/browser/ui/webui/large_icon_source.h
@@ -70,7 +70,7 @@ class LargeIconSource : public content::URLDataSource {
   // Callback for icon data retrieval request.
   void OnIconDataAvailable(
       const IconRequest& request,
-      const favicon_base::FaviconRawBitmapResult& bitmap_result);
+      const favicon_base::LargeIconResult& bitmap_result);
 
   // Renders and sends a default fallback icon. This is used when there is no
   // known text and/or foreground color to use for the generated icon (it
@@ -92,12 +92,6 @@ class LargeIconSource : public content::URLDataSource {
 
   favicon::FallbackIconService* fallback_icon_service_;
 
-  // A pre-populated list of the types of icon files to consider when looking
-  // for the largest matching icon.
-  // Note: this is simply an optimization over populating an icon type vector
-  //     on each request.
-  std::vector<int> large_icon_types_;
-
   DISALLOW_COPY_AND_ASSIGN(LargeIconSource);
 };