Switch Linux Auru ports over to POSIX SHM instead of legacy SYSV SHM.

content/public/test/mock_render_process_host.cc

 // Copyright (c) 2012 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 "content/public/test/mock_render_process_host.h"
 
 #include "base/lazy_instance.h"
 #include "base/message_loop.h"
 #include "base/time.h"
 #include "content/browser/child_process_security_policy_impl.h"
@@ skipping 105 matching lines @@
 }
 
 TransportDIB* MockRenderProcessHost::GetTransportDIB(TransportDIB::Id dib_id) {
   if (transport_dib_)
     return transport_dib_;
 #if defined(OS_WIN)
   HANDLE duped;
   DuplicateHandle(GetCurrentProcess(), dib_id.handle, GetCurrentProcess(),
                   &duped, 0, TRUE, DUPLICATE_SAME_ACCESS);
   transport_dib_ = TransportDIB::Map(duped);
-#elif defined(OS_MACOSX)
-  // On Mac, TransportDIBs are always created in the browser, so we cannot map
-  // one from a dib_id.
-  transport_dib_ = TransportDIB::Create(100 * 100 * 4, 0);
+#elif defined(TOOLKIT_GTK)
+  transport_dib_ = TransportDIB::Map(dib_id.shmkey);
 #elif defined(OS_ANDROID)
   // On Android, Handles and Ids are the same underlying type.
   transport_dib_ = TransportDIB::Map(dib_id);
-#elif defined(OS_POSIX)
-  transport_dib_ = TransportDIB::Map(dib_id.shmkey);
+#else
+  // On POSIX, TransportDIBs are always created in the browser, so we cannot map
+  // one from a dib_id.
+  transport_dib_ = TransportDIB::Create(100 * 100 * 4, 0);
 #endif
 
   return transport_dib_;
 }
 
 int MockRenderProcessHost::GetID() const {
   return id_;
 }
 
 bool MockRenderProcessHost::HasConnection() const {
@@ skipping 113 matching lines @@
   for (ScopedVector<MockRenderProcessHost>::iterator it = processes_.begin();
        it != processes_.end(); ++it) {
     if (*it == host) {
       processes_.weak_erase(it);
       break;
     }
   }
 }
 
 }  // content