Remove iOS ifdefs in src/content.

content/common/child_process_host_impl.cc

Index: content/common/child_process_host_impl.cc
diff --git a/content/common/child_process_host_impl.cc b/content/common/child_process_host_impl.cc
index d69d5352a285f8a16065536a3f3708fc23f494e9..6951c6b0732a79b1a1ada5da2ca2504a8777a966 100644
--- a/content/common/child_process_host_impl.cc
+++ b/content/common/child_process_host_impl.cc
@@ -88,7 +88,7 @@ ChildProcessHostImpl::ChildProcessHostImpl(ChildProcessHostDelegate* delegate)
 #endif
 
 #if USE_ATTACHMENT_BROKER
-#if defined(OS_MACOSX) && !defined(OS_IOS)
+#if defined(OS_MACOSX)
   // On Mac, the privileged AttachmentBroker needs a reference to the Mach port
   // Provider, which is only available in the chrome/ module. The attachment
   // broker must already be created.
@@ -97,7 +97,7 @@ ChildProcessHostImpl::ChildProcessHostImpl(ChildProcessHostDelegate* delegate)
   // Construct the privileged attachment broker early in the life cycle of a
   // child process.
   IPC::AttachmentBrokerPrivileged::CreateBrokerIfNeeded();
-#endif  // defined(OS_MACOSX) && !defined(OS_IOS)
+#endif  // defined(OS_MACOSX)
 #endif  // USE_ATTACHMENT_BROKER
 }