Removed GPR_POSIX_FILE, and changed the files that used it
diff --git a/BUILD b/BUILD
index c874341..056e91a 100644
--- a/BUILD
+++ b/BUILD
@@ -436,8 +436,7 @@
"src/core/lib/security/credentials/credentials.c",
"src/core/lib/security/credentials/credentials_metadata.c",
"src/core/lib/security/credentials/fake/fake_credentials.c",
- "src/core/lib/security/credentials/google_default/credentials_posix.c",
- "src/core/lib/security/credentials/google_default/credentials_windows.c",
+ "src/core/lib/security/credentials/google_default/credentials_generic.c",
"src/core/lib/security/credentials/google_default/google_default_credentials.c",
"src/core/lib/security/credentials/iam/iam_credentials.c",
"src/core/lib/security/credentials/jwt/json_token.c",
@@ -843,8 +842,7 @@
"src/core/lib/security/credentials/credentials.c",
"src/core/lib/security/credentials/credentials_metadata.c",
"src/core/lib/security/credentials/fake/fake_credentials.c",
- "src/core/lib/security/credentials/google_default/credentials_posix.c",
- "src/core/lib/security/credentials/google_default/credentials_windows.c",
+ "src/core/lib/security/credentials/google_default/credentials_generic.c",
"src/core/lib/security/credentials/google_default/google_default_credentials.c",
"src/core/lib/security/credentials/iam/iam_credentials.c",
"src/core/lib/security/credentials/jwt/json_token.c",
@@ -1932,8 +1930,7 @@
"src/core/lib/security/credentials/credentials.c",
"src/core/lib/security/credentials/credentials_metadata.c",
"src/core/lib/security/credentials/fake/fake_credentials.c",
- "src/core/lib/security/credentials/google_default/credentials_posix.c",
- "src/core/lib/security/credentials/google_default/credentials_windows.c",
+ "src/core/lib/security/credentials/google_default/credentials_generic.c",
"src/core/lib/security/credentials/google_default/google_default_credentials.c",
"src/core/lib/security/credentials/iam/iam_credentials.c",
"src/core/lib/security/credentials/jwt/json_token.c",