mac: Remove some 10.6-SDK-only sandbox code.

sandbox/mac/xpc.h

 // Copyright 2014 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.
 
-// This file provides forward declarations for XPC symbols that are not
-// present in the 10.6 SDK. It uses generate_stubs to produce code to
-// dynamically load the libxpc.dylib library and set up a stub table, with
-// the same names as the real XPC functions.
+// This file provides forward declarations for private XPC symbols.
 
 #ifndef SANDBOX_MAC_XPC_H_
 #define SANDBOX_MAC_XPC_H_
 
 #include <AvailabilityMacros.h>
 #include <mach/mach.h>
+#include <bsm/libbsm.h>
+#include <xpc/xpc.h>
 
 #include "sandbox/sandbox_export.h"
 
-// Declares XPC object types. This includes <xpc/xpc.h> if available.
-#include "sandbox/mac/xpc_stubs_header.fragment"
-
-#if !defined(MAC_OS_X_VERSION_10_7) || \
-    MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_7
-
-// C++ library loader.
-#include "sandbox/mac/xpc_stubs.h"
-
+// Declare private types.
 extern "C" {
-// Signatures for XPC public functions that are loaded by xpc_stubs.h.
-#include "sandbox/mac/xpc_stubs.sig"
-// Signatures for private XPC functions.
-#include "sandbox/mac/xpc_private_stubs.sig"
+typedef struct _xpc_pipe_s* xpc_pipe_t;
 }  // extern "C"
 
-#else
+#if defined(MAC_OS_X_VERSION_10_7) && \
+    MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_7
+// Redeclare methods that only exist on 10.7+ to suppress
+// -Wpartial-availability warnings.
+extern "C" {
+void xpc_dictionary_set_int64(xpc_object_t xdict,
+                              const char* key,
+                              int64_t value);
+void xpc_release(xpc_object_t object);
+bool xpc_dictionary_get_bool(xpc_object_t xdict, const char* key);
+int64_t xpc_dictionary_get_int64(xpc_object_t xdict, const char* key);
+const char* xpc_dictionary_get_string(xpc_object_t xdict, const char* key);
+uint64_t xpc_dictionary_get_uint64(xpc_object_t xdict, const char* key);
+void xpc_dictionary_set_uint64(xpc_object_t xdict,
+                               const char* key,
+                               uint64_t value);
+void xpc_dictionary_set_string(xpc_object_t xdict, const char* key,
+                               const char* string);
+xpc_object_t xpc_dictionary_create(const char* const* keys,
+                                   const xpc_object_t* values,
+                                   size_t count);
+xpc_object_t xpc_dictionary_create_reply(xpc_object_t original);
+xpc_object_t xpc_dictionary_get_value(xpc_object_t xdict, const char* key);
+char* xpc_copy_description(xpc_object_t object);
+}  // extern "C"
+#endif
 
 // Signatures for private XPC functions.
 extern "C" {
-#include "sandbox/mac/xpc_private_stubs.sig"
+// Dictionary manipulation.
+void xpc_dictionary_set_mach_send(xpc_object_t dictionary,
+                                  const char* name,
+                                  mach_port_t port);
+void xpc_dictionary_get_audit_token(xpc_object_t dictionary,
+                                    audit_token_t* token);
+
+// Raw object getters.
+mach_port_t xpc_mach_send_get_right(xpc_object_t value);
+
+// Pipe methods.
+xpc_pipe_t xpc_pipe_create_from_port(mach_port_t port, int flags);
+int xpc_pipe_receive(mach_port_t port, xpc_object_t* message);
+int xpc_pipe_routine(xpc_pipe_t pipe,
+                     xpc_object_t request,
+                     xpc_object_t* reply);
+int xpc_pipe_routine_reply(xpc_object_t reply);
+int xpc_pipe_simpleroutine(xpc_pipe_t pipe, xpc_object_t message);
+int xpc_pipe_routine_forward(xpc_pipe_t forward_to, xpc_object_t request);
 }  // extern "C"
 
-#endif
-
-namespace sandbox {
-
-// Dynamically loads the XPC library.
-bool SANDBOX_EXPORT InitializeXPC();
-
-}  // namespace sandbox
-
 #endif  // SANDBOX_MAC_XPC_H_