Even more reordering the methods in headers and implementation in net/.

net/base/file_stream_posix.cc

Index: net/base/file_stream_posix.cc
diff --git a/net/base/file_stream_posix.cc b/net/base/file_stream_posix.cc
index 21abd2040b31ff5181da5e8f8f710ea136f3dcc0..ecf064eaa2a56e726d9a59edcb8dc728684d462f 100644
--- a/net/base/file_stream_posix.cc
+++ b/net/base/file_stream_posix.cc
@@ -454,13 +454,6 @@ int FileStream::Write(
   }
 }
 
-int FileStream::Flush() {
-  if (!IsOpen())
-    return ERR_UNEXPECTED;
-
-  return FlushFile(file_);
-}
-
 int64 FileStream::Truncate(int64 bytes) {
   if (!IsOpen())
     return ERR_UNEXPECTED;
@@ -478,4 +471,11 @@ int64 FileStream::Truncate(int64 bytes) {
   return result == 0 ? seek_position : MapErrorCode(errno);
 }
 
+int FileStream::Flush() {
+  if (!IsOpen())
+    return ERR_UNEXPECTED;
+
+  return FlushFile(file_);
+}
+
 }  // namespace net