Cleanup: Replace NTPLoggingTileSource by ntp_tiles::NTPTileSource

components/ntp_tiles/ntp_tile.h

Index: components/ntp_tiles/ntp_tile.h
diff --git a/components/ntp_tiles/ntp_tile.h b/components/ntp_tiles/ntp_tile.h
index ef228b54b385dfe68d82c4265150dbcd23757d9b..fa37cf8568c096836159447c3213f6fee9ab712e 100644
--- a/components/ntp_tiles/ntp_tile.h
+++ b/components/ntp_tiles/ntp_tile.h
@@ -10,24 +10,11 @@
 #include "base/files/file_path.h"
 #include "base/macros.h"
 #include "base/strings/string16.h"
+#include "components/ntp_tiles/ntp_tile_source.h"
 #include "url/gurl.h"
 
 namespace ntp_tiles {
 
-// The source of an NTP tile.
-// A Java counterpart will be generated for this enum.
-// GENERATED_JAVA_ENUM_PACKAGE: org.chromium.chrome.browser.ntp
-enum class NTPTileSource {
-  // Tile comes from the personal top sites list, based on local history.
-  TOP_SITES,
-  // Tile comes from the suggestions service, based on synced history.
-  SUGGESTIONS_SERVICE,
-  // Tile is regionally popular.
-  POPULAR,
-  // Tile is on an custodian-managed whitelist.
-  WHITELIST
-};
-
 // A suggested site shown on the New Tab Page.
 struct NTPTile {
   base::string16 title;