Mac: Make TransportDIB::Create() work.

app/surface/transport_dib_mac.cc

 // Copyright (c) 2009 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 "app/surface/transport_dib.h"
 
 #include <unistd.h>
 #include <sys/stat.h>
 
 #include "base/eintr_wrapper.h"
@@ skipping 16 matching lines @@
 
 // static
 TransportDIB* TransportDIB::Create(size_t size, uint32 sequence_num) {
   TransportDIB* dib = new TransportDIB;
   if (!dib->shared_memory_.Create(L"", false /* read write */,
                                   false /* do not open existing */, size)) {
     delete dib;
     return NULL;
   }
 
+  if (!dib->shared_memory_.Map(size)) {
+    delete dib;
+    return NULL;
+  }
+
   dib->size_ = size;
   return dib;
 }
 
 // static
 TransportDIB* TransportDIB::Map(TransportDIB::Handle handle) {
   if (!is_valid(handle))
     return NULL;
 
   TransportDIB* dib = new TransportDIB(handle);
@@ skipping 26 matching lines @@
   return shared_memory_.memory();
 }
 
 TransportDIB::Id TransportDIB::id() const {
   return shared_memory_.id();
 }
 
 TransportDIB::Handle TransportDIB::handle() const {
   return shared_memory_.handle();
 }