Upstream more leaf files in ios/web/web_state

ios/web/web_state/credential.cc

Index: ios/web/web_state/credential.cc
diff --git a/chrome/common/chrome_version.cc.version b/ios/web/web_state/credential.cc
similarity index 51%
copy from chrome/common/chrome_version.cc.version
copy to ios/web/web_state/credential.cc
index 54e062bb931046619a1e1a53298d2cbccbecccad..f7c08cc09732991d5c20b63e2cfc15056536d9d3 100644
--- a/chrome/common/chrome_version.cc.version
+++ b/ios/web/web_state/credential.cc
@@ -2,10 +2,12 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "chrome/common/chrome_constants.h"
+#include "ios/web/public/web_state/credential.h"
 
-namespace chrome {
+namespace web {
 
-const char kChromeVersion[] = "@MAJOR@.@MINOR@.@BUILD@.@PATCH@";
+Credential::Credential() = default;
 
-}  // namespace chrome
+Credential::~Credential() = default;
+
+}  // namespace web