Add a factory and defines for native Linux surfaces.

ui/surface/transport_dib_sysvipc.cc

Index: ui/surface/transport_dib_sysvipc.cc
diff --git a/ui/surface/transport_dib_sysvipc.cc b/ui/surface/transport_dib_sysvipc.cc
index a15ca414bbc9b1b8c8aed89bf6884e62ffe979a7..75a5c45f4b65d7d159fbca0e0920849eff1005c5 100644
--- a/ui/surface/transport_dib_sysvipc.cc
+++ b/ui/surface/transport_dib_sysvipc.cc
@@ -6,7 +6,7 @@
 
 // Desktop GTK Linux builds use the old-style SYSV SHM based DIBs.
 // Linux Aura and Chrome OS do too. This will change very soon.
-#if defined(TOOLKIT_GTK) || (defined(OS_LINUX) && defined(USE_AURA))
+#if defined(TOOLKIT_GTK) || (defined(OS_LINUX) && defined(USE_AURA) && defined(USE_X11))

[DaveMoore, 2013/04/30 17:53:42]

This file now has a lot of #ifdefs. We might be better off splitting it into a
case just for X11 and another without.

 
 #include <errno.h>
 #include <stdlib.h>
@@ -16,16 +16,21 @@
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "skia/ext/platform_canvas.h"
-#include "ui/base/x/x11_util.h"
 #include "ui/gfx/size.h"
 
+#if defined(USE_X11)
+#include "ui/base/x/x11_util.h"
+#endif
+
 // The shmat system call uses this as it's invalid return address
 static void *const kInvalidAddress = (void*) -1;
 
 TransportDIB::TransportDIB()
     : address_(kInvalidAddress),
+#if defined(USE_X11)
       x_shm_(0),
       display_(NULL),
+#endif
       inflight_counter_(0),
       detached_(false),
       size_(0) {
@@ -37,10 +42,12 @@ TransportDIB::~TransportDIB() {
     address_ = kInvalidAddress;
   }
 
+#if defined(USE_X11)
   if (x_shm_) {
     DCHECK(display_);
     ui::DetachSharedMemory(display_, x_shm_);
   }
+#endif
 }
 
 // static
@@ -135,6 +142,7 @@ TransportDIB::Handle TransportDIB::handle() const {
   return key_.shmkey;
 }
 
+#if defined(USE_X11)
 XID TransportDIB::MapToX(Display* display) {
   if (!x_shm_) {
     x_shm_ = ui::AttachSharedMemory(display, key_.shmkey);
@@ -143,6 +151,7 @@ XID TransportDIB::MapToX(Display* display) {
 
   return x_shm_;
 }
+#endif
 
 void TransportDIB::DecreaseInFlightCounter() {
   CHECK(inflight_counter_);