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

content/browser/renderer_host/render_widget_helper.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/browser/renderer_host/render_widget_helper.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/lazy_instance.h"
 #include "base/posix/eintr_wrapper.h"
@@ skipping 79 matching lines @@
   // Delete this RWH from the map if it is found.
   WidgetHelperMap& widget_map = g_widget_helpers.Get();
   WidgetHelperMap::iterator it = widget_map.find(render_process_id_);
   if (it != widget_map.end() && it->second == this)
     widget_map.erase(it);
 
   // The elements of pending_paints_ each hold an owning reference back to this
   // object, so we should not be destroyed unless pending_paints_ is empty!
   DCHECK(pending_paints_.empty());
 
-#if defined(OS_MACOSX)
+#if defined(OS_POSIX) && !defined(TOOLKIT_GTK) && !defined(OS_ANDROID)
   ClearAllocatedDIBs();
 #endif
 }
 
 void RenderWidgetHelper::Init(
     int render_process_id,
     ResourceDispatcherHostImpl* resource_dispatcher_host) {
   render_process_id_ = render_process_id;
   resource_dispatcher_host_ = resource_dispatcher_host;
 
@@ skipping 217 matching lines @@
 }
 
 void RenderWidgetHelper::OnCreateFullscreenWidgetOnUI(int opener_id,
                                                       int route_id) {
   RenderViewHostImpl* host = RenderViewHostImpl::FromID(
       render_process_id_, opener_id);
   if (host)
     host->CreateNewFullscreenWidget(route_id);
 }
 
-#if defined(OS_MACOSX)
+#if defined(OS_POSIX) && !defined(TOOLKIT_GTK) && !defined(OS_ANDROID)
 TransportDIB* RenderWidgetHelper::MapTransportDIB(TransportDIB::Id dib_id) {
   base::AutoLock locked(allocated_dibs_lock_);
 
   const std::map<TransportDIB::Id, int>::iterator
       i = allocated_dibs_.find(dib_id);
   if (i == allocated_dibs_.end())
     return NULL;
 
   base::FileDescriptor fd(dup(i->second), true);
   return TransportDIB::Map(fd);
@@ skipping 37 matching lines @@
        i = allocated_dibs_.begin(); i != allocated_dibs_.end(); ++i) {
     if (HANDLE_EINTR(close(i->second)) < 0)
       PLOG(ERROR) << "close: " << i->first;
   }
 
   allocated_dibs_.clear();
 }
 #endif
 
 }  // namespace content