Remove explicit keyword from multi-argument constructors

chrome/browser/chromeos/cros/burn_library.h

Index: chrome/browser/chromeos/cros/burn_library.h
diff --git a/chrome/browser/chromeos/cros/burn_library.h b/chrome/browser/chromeos/cros/burn_library.h
index b444037f17b53085e1df9797dfb006783f2a3851..8130f84767630d7a3623b52208dec73fbf27fa04 100644
--- a/chrome/browser/chromeos/cros/burn_library.h
+++ b/chrome/browser/chromeos/cros/burn_library.h
@@ -24,16 +24,15 @@ struct ImageBurnStatus {
   }
 
   explicit ImageBurnStatus(const chromeos::BurnStatus& status)
-      : amount_burnt(status.amount_burnt),
-        total_size(status.total_size) {
+      : amount_burnt(status.amount_burnt), total_size(status.total_size) {
     if (status.target_path)
       target_path = status.target_path;
     if (status.error)
       error = status.error;
   }
 
-  explicit ImageBurnStatus(const char* path, int64 burnt, int64 total,
-      const char* err) : total_size(total) {
+  ImageBurnStatus(const char* path, int64 burnt, int64 total, const char* err)
+      : total_size(total) {
     if (path)
       target_path = path;
     if (err)