DeleteFaviconBitmap 1835 chrome/browser/history/history_backend.cc       thumbnail_db_->DeleteFaviconBitmap(bitmap_id_sizes[0].bitmap_id);
DeleteFaviconBitmap 2157 chrome/browser/history/history_backend.cc       thumbnail_db_->DeleteFaviconBitmap(bitmap_id);
DeleteFaviconBitmap  114 chrome/browser/history/thumbnail_database.h   bool DeleteFaviconBitmap(FaviconBitmapID bitmap_id);