Remove ipc/unix_domain_socket_util.*

mojo/edk/embedder/named_platform_handle_utils.h

 // 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.
 
 #ifndef MOJO_EDK_EMBEDDER_NAMED_PLATFORM_HANDLE_UTILS_H_
 #define MOJO_EDK_EMBEDDER_NAMED_PLATFORM_HANDLE_UTILS_H_
 
 #include "build/build_config.h"
 #include "mojo/edk/embedder/scoped_platform_handle.h"
 #include "mojo/edk/system/system_impl_export.h"
 
 #if defined(OS_WIN)
 #include "base/strings/string16.h"
 #endif
 
 namespace mojo {
 namespace edk {
 
 struct NamedPlatformHandle;
 
+#if defined(OS_POSIX)
+
+// The maximum length of the name of a unix domain socket. The standard size on
+// linux is 108, mac is 104. To maintain consistency across platforms we
+// standardize on the smaller value.
+const size_t kMaxSocketNameLength = 104;
+
+#endif
+
 struct CreateServerHandleOptions {
 #if defined(OS_WIN)
   // If true, creating a server handle will fail if another pipe with the same
   // name exists.
   bool enforce_uniqueness = true;
 
   // If non-empty, a security descriptor to use when creating the pipe. If
   // empty, a default security descriptor will be used. See
   // kDefaultSecurityDescriptor in named_platform_handle_utils_win.cc.
   base::string16 security_descriptor;
 #endif
 };
 
 // Creates a client platform handle from |handle|. This may block until |handle|
 // is ready to receive connections.
 MOJO_SYSTEM_IMPL_EXPORT ScopedPlatformHandle
 CreateClientHandle(const NamedPlatformHandle& handle);
 
 // Creates a server platform handle from |handle|.
 MOJO_SYSTEM_IMPL_EXPORT ScopedPlatformHandle
 CreateServerHandle(const NamedPlatformHandle& handle,
                    const CreateServerHandleOptions& options = {});
 
 }  // namespace edk
 }  // namespace mojo
 
 #endif  // MOJO_EDK_EMBEDDER_NAMED_PLATFORM_HANDLE_UTILS_H_