Revert of Move more sources from modules.gypi to subdirectories.

third_party/WebKit/Source/modules/credentialmanager/BUILD.gn

Index: third_party/WebKit/Source/modules/credentialmanager/BUILD.gn
diff --git a/third_party/WebKit/Source/modules/credentialmanager/BUILD.gn b/third_party/WebKit/Source/modules/credentialmanager/BUILD.gn
deleted file mode 100644
index 783f1576c3425c54b1f8823fa3e31c3bf101ea47..0000000000000000000000000000000000000000
--- a/third_party/WebKit/Source/modules/credentialmanager/BUILD.gn
+++ /dev/null
@@ -1,24 +0,0 @@
-# Copyright 2016 The Chromium Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-import("//third_party/WebKit/Source/modules/modules.gni")
-
-blink_modules_sources("credentialmanager") {
-  sources = [
-    "Credential.cpp",
-    "Credential.h",
-    "CredentialManagerClient.cpp",
-    "CredentialManagerClient.h",
-    "CredentialsContainer.cpp",
-    "CredentialsContainer.h",
-    "FederatedCredential.cpp",
-    "FederatedCredential.h",
-    "NavigatorCredentials.cpp",
-    "NavigatorCredentials.h",
-    "PasswordCredential.cpp",
-    "PasswordCredential.h",
-    "SiteBoundCredential.cpp",
-    "SiteBoundCredential.h",
-  ]
-}