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

content/browser/renderer_host/render_widget_helper.h

 // 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.
 
 #ifndef CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HELPER_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HELPER_H_
 
 #include <deque>
 #include <map>
 
@@ skipping 115 matching lines @@
   // corresponding functions in RenderProcessHost. See those declarations
   // for documentation.
   void SimulateSwapOutACK(const ViewMsg_SwapOut_Params& params);
   bool WaitForBackingStoreMsg(int render_widget_id,
                               const base::TimeDelta& max_delay,
                               IPC::Message* msg);
   // Called to resume the requests for a view after it's ready. The view was
   // created by CreateNewWindow which initially blocked the requests.
   void ResumeRequestsForView(int route_id);
 
-#if defined(OS_MACOSX)
+#if defined(OS_POSIX) && !defined(TOOLKIT_GTK) && !defined(OS_ANDROID)
   // Given the id of a transport DIB, return a mapping to it or NULL on error.
   TransportDIB* MapTransportDIB(TransportDIB::Id dib_id);
 #endif
 
   // IO THREAD ONLY -----------------------------------------------------------
 
   // Called on the IO thread when a BackingStore message is received.
   void DidReceiveBackingStoreMsg(const IPC::Message& msg);
 
   void CreateNewWindow(
       const ViewHostMsg_CreateWindow_Params& params,
       bool no_javascript_access,
       base::ProcessHandle render_process,
       int* route_id,
       int* surface_id,
       SessionStorageNamespace* session_storage_namespace);
   void CreateNewWidget(int opener_id,
                        WebKit::WebPopupType popup_type,
                        int* route_id,
                        int* surface_id);
   void CreateNewFullscreenWidget(int opener_id, int* route_id, int* surface_id);
 
-#if defined(OS_MACOSX)
+#if defined(OS_POSIX)
   // Called on the IO thread to handle the allocation of a TransportDIB.  If
   // |cache_in_browser| is |true|, then a copy of the shmem is kept by the
   // browser, and it is the caller's repsonsibility to call
   // FreeTransportDIB().  In all cases, the caller is responsible for deleting
   // the resulting TransportDIB.
   void AllocTransportDIB(size_t size,
                          bool cache_in_browser,
                          TransportDIB::Handle* result);
 
   // Called on the IO thread to handle the freeing of a transport DIB
@@ skipping 36 matching lines @@
                           int route_id,
                           WebKit::WebPopupType popup_type);
 
   // Called on the UI thread to create a fullscreen widget.
   void OnCreateFullscreenWidgetOnUI(int opener_id, int route_id);
 
   // Called on the IO thread to resume a cross-site response, if the ack is
   // not received as expected.
   void OnSimulateSwapOutACK(const ViewMsg_SwapOut_Params& params);
 
-#if defined(OS_MACOSX)
+#if defined(OS_POSIX)
   // Called on destruction to release all allocated transport DIBs
   void ClearAllocatedDIBs();
 
-  // On OSX we keep file descriptors to all the allocated DIBs around until
+  // On POSIX we keep file descriptors to all the allocated DIBs around until
   // the renderer frees them.
   base::Lock allocated_dibs_lock_;
   std::map<TransportDIB::Id, int> allocated_dibs_;
 #endif
 
   // A map of live paint messages.  Must hold pending_paints_lock_ to access.
   // The BackingStoreMsgProxy objects are not owned by this map. (See
   // BackingStoreMsgProxy for details about how the lifetime of instances are
   // managed.)
   BackingStoreMsgProxyMap pending_paints_;
   base::Lock pending_paints_lock_;
 
   int render_process_id_;
 
   // Event used to implement WaitForBackingStoreMsg.
   base::WaitableEvent event_;
 
   // The next routing id to use.
   base::AtomicSequenceNumber next_routing_id_;
 
   ResourceDispatcherHostImpl* resource_dispatcher_host_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHelper);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HELPER_H_