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

chrome/browser/media_galleries/media_galleries_scan_result_dialog_controller.cc

Index: chrome/browser/media_galleries/media_galleries_scan_result_dialog_controller.cc
diff --git a/chrome/browser/media_galleries/media_galleries_scan_result_dialog_controller.cc b/chrome/browser/media_galleries/media_galleries_scan_result_dialog_controller.cc
index a1a799a25c11b16d624a86913c5e67d0fec18be0..ac086e14db92f2afa04aaa5b64aaa70fb2077eea 100644
--- a/chrome/browser/media_galleries/media_galleries_scan_result_dialog_controller.cc
+++ b/chrome/browser/media_galleries/media_galleries_scan_result_dialog_controller.cc
@@ -228,7 +228,8 @@ void MediaGalleriesScanResultDialogController::UpdateScanResultsFromPreferences(
        it != galleries.end();
        ++it) {
     const MediaGalleryPrefInfo& gallery = it->second;
-    if (gallery.type == MediaGalleryPrefInfo::kScanResult &&
+    if ((gallery.audio_count || gallery.image_count || gallery.video_count) &&

[tommycli, 2014/02/10 18:45:53]

I believe this will cause galleries with zero audio/image/video count to be
hidden. I think this will hide kAutoDetected galleries.

[vandebo (ex-Chrome), 2014/02/11 19:19:31]

Yes, it will hide galleries with no media files.  It won't hide auto detected
galleries in general, only if they don't have any media files when a scan is
done.

+        !gallery.IsBlackListedType() &&
         !ContainsKey(permitted, gallery.pref_id) &&
         !ContainsKey(ignore_list, gallery.pref_id)) {
       ScanResults::iterator existing = scan_results->find(gallery.pref_id);
@@ -251,8 +252,8 @@ void MediaGalleriesScanResultDialogController::UpdateScanResultsFromPreferences(
     MediaGalleriesPrefInfoMap::const_iterator pref_gallery =
         galleries.find(it->first);
     if (pref_gallery == galleries.end() ||
-        pref_gallery->second.type != MediaGalleryPrefInfo::kScanResult ||
-        permitted.find(it->first) != permitted.end()) {
+        pref_gallery->second.IsBlackListedType() ||
+        ContainsKey(permitted, it->first)) {
       to_remove.push_back(it);
     }
   }
@@ -280,15 +281,9 @@ void MediaGalleriesScanResultDialogController::OnPreferencesInitialized() {
 void MediaGalleriesScanResultDialogController::OnPreferenceUpdate(
     const std::string& extension_id, MediaGalleryPrefId pref_id) {
   if (extension_id == extension_->id()) {
-    const MediaGalleriesPrefInfoMap::const_iterator it =
-        preferences_->known_galleries().find(pref_id);
-    if (it == preferences_->known_galleries().end() ||
-        it->second.type == MediaGalleryPrefInfo::kScanResult ||
-        it->second.type == MediaGalleryPrefInfo::kRemovedScan) {
-      UpdateScanResultsFromPreferences(preferences_, extension_,
-                                       results_to_remove_, &scan_results_);
-      dialog_->UpdateResults();
-    }
+    UpdateScanResultsFromPreferences(preferences_, extension_,
+                                     results_to_remove_, &scan_results_);
+    dialog_->UpdateResults();
   }
 }