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);