Put all scan results in the media galleries scan result dialog.

chrome/browser/media_galleries/media_galleries_preferences.cc

Index: chrome/browser/media_galleries/media_galleries_preferences.cc
diff --git a/chrome/browser/media_galleries/media_galleries_preferences.cc b/chrome/browser/media_galleries/media_galleries_preferences.cc
index 741d0a20dcf68021e0e365c6423362d3a2157261..05ae16a44fd993e8f98430eaa77ad33f64b8c1e1 100644
--- a/chrome/browser/media_galleries/media_galleries_preferences.cc
+++ b/chrome/browser/media_galleries/media_galleries_preferences.cc
@@ -252,9 +252,12 @@ base::DictionaryValue* CreateGalleryPrefInfoDictionary(
     dict->SetString(kMediaGalleriesDisplayNameKey, gallery.display_name);
   }
 
-  dict->SetInteger(kMediaGalleriesScanAudioCountKey, gallery.audio_count);
-  dict->SetInteger(kMediaGalleriesScanImageCountKey, gallery.image_count);
-  dict->SetInteger(kMediaGalleriesScanVideoCountKey, gallery.video_count);
+  if (gallery.IsBlackListedType() || gallery.audio_count ||
+      gallery.image_count || gallery.video_count) {
+    dict->SetInteger(kMediaGalleriesScanAudioCountKey, gallery.audio_count);
+    dict->SetInteger(kMediaGalleriesScanImageCountKey, gallery.image_count);
+    dict->SetInteger(kMediaGalleriesScanVideoCountKey, gallery.video_count);
+  }
 
   // Version 0 of the prefs format was that the display_name was always
   // used to show the user-visible name of the gallery. Version 1 means