Split mojo_system dylib into public and private

mojo/system/core_impl.cc

 // Copyright 2013 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 "mojo/system/core_impl.h"
 
 #include <vector>
 
 #include "base/logging.h"
 #include "base/time/time.h"
@@ skipping 64 matching lines @@
     const scoped_refptr<Dispatcher>& dispatcher)
     : dispatcher(dispatcher),
       busy(false) {
 }
 
 CoreImpl::HandleTableEntry::~HandleTableEntry() {
   DCHECK(!busy);
 }
 
 // static
-CoreImpl* CoreImpl::singleton_ = NULL;
-
-// static
 void CoreImpl::Init() {
-  CHECK(!singleton_);
-  singleton_ = new CoreImpl();
+  Core::Init(new CoreImpl());
 }
 
 MojoResult CoreImpl::Close(MojoHandle handle) {
   if (handle == MOJO_HANDLE_INVALID)
     return MOJO_RESULT_INVALID_ARGUMENT;
 
   scoped_refptr<Dispatcher> dispatcher;
   {
     base::AutoLock locker(handle_table_lock_);
     HandleTableMap::iterator it = handle_table_.find(handle);
@@ skipping 341 matching lines @@
   // |Wait()|/|WaitMany()| call. (Only after doing this can |waiter| be
   // destroyed, but this would still be required if the waiter were in TLS.)
   for (i = 0; i < num_added; i++)
     dispatchers[i]->RemoveWaiter(&waiter);
 
   return rv;
 }
 
 }  // namespace system
 }  // namespace mojo