Allow building mojo_shell and non-graphical apps/services on a Mac

mojo/dart/embedder/io/internet_address_posix.cc

 // Copyright 2015 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.
 
 #include <arpa/inet.h>
 #include <netdb.h>
 #include <sys/socket.h>
 
 #include "mojo/dart/embedder/io/internet_address.h"
 
 namespace mojo {
 namespace dart {
 
 static void SetupSockAddr(sockaddr_storage* dest,
                           socklen_t* salen,
-                          const RawAddr& addr, intptr_t addr_length) {
+                          const RawAddr& addr,
+                          intptr_t addr_length) {

[jamesr, 2015/09/10 01:13:29]

according to 'diff' internet_address_linux.cc and internet_address_android.cc
were completely identical and both use only POSIX apis so i merged them.  this
diff is purely the result of clang-format

   CHECK((addr_length == 4) || (addr_length == 16));
   if (addr_length == 4) {
     dest->ss_family = AF_INET;
     sockaddr_in* dest4 = reinterpret_cast<sockaddr_in*>(dest);
     *salen = sizeof(*dest4);
     memmove(&(dest4->sin_addr), &addr.bytes[0], addr_length);
   } else {
     dest->ss_family = AF_INET6;
     sockaddr_in6* dest6 = reinterpret_cast<sockaddr_in6*>(dest);
     *salen = sizeof(*dest6);
@@ skipping 10 matching lines @@
     memmove(addr, &in.sin_addr, IPV4_RAW_ADDR_LENGTH);
   } else {
     CHECK(type == InternetAddress::TYPE_IPV6);
     sockaddr_in6 in6;
     result = inet_pton(AF_INET6, address, &in6.sin6_addr);
     memmove(addr, &in6.sin6_addr, IPV6_RAW_ADDR_LENGTH);
   }
   return result == 1;
 }
 
-bool InternetAddress::Reverse(const RawAddr& addr, intptr_t addr_length,
-                              char* host, intptr_t host_len,
+bool InternetAddress::Reverse(const RawAddr& addr,
+                              intptr_t addr_length,
+                              char* host,
+                              intptr_t host_len,
                               intptr_t* error_code,
                               const char** error_description) {
   CHECK(host_len >= NI_MAXHOST);
   sockaddr_storage sock_addr;
   socklen_t salen;
   SetupSockAddr(&sock_addr, &salen, addr, addr_length);
-  int status = getnameinfo(reinterpret_cast<sockaddr*>(&sock_addr),
-                           salen,
-                           host,
-                           host_len,
-                           NULL,
-                           0,
-                           NI_NAMEREQD);
+  int status = getnameinfo(reinterpret_cast<sockaddr*>(&sock_addr), salen, host,
+                           host_len, NULL, 0, NI_NAMEREQD);
   *error_code = status;
   if (status != 0) {
     CHECK(*error_description == NULL);
     *error_description = gai_strerror(status);
     return false;
   }
   return true;
 }
 
 }  // namespace dart
 }  // namespace mojo