Add a factory and defines for native Linux surfaces.

ui/surface/transport_dib.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 UI_SURFACE_TRANSPORT_DIB_H_
 #define UI_SURFACE_TRANSPORT_DIB_H_
 
 #include "base/basictypes.h"
 #include "ui/surface/surface_export.h"
 
@@ skipping 92 matching lines @@
   // Returns a default, invalid handle, that is meant to indicate a missing
   // Transport DIB.
   static Handle DefaultHandleValue() { return -1; }
 
   // Returns a value that is ONLY USEFUL FOR TESTS WHERE IT WON'T BE
   // ACTUALLY USED AS A REAL HANDLE.
   static Handle GetFakeHandleForTest() {
     static int fake_handle = 10;
     return fake_handle++;
   }
+#elif defined(USE_NATIVE_SURFACE_LINUX)
+  typedef int Handle;
+  typedef int Id;
+  // Returns a default, invalid handle, that is meant to indicate a missing
+  // Transport DIB.
+  static Handle DefaultHandleValue() { return -1; }
+
+  // Returns a value that is ONLY USEFUL FOR TESTS WHERE IT WON'T BE
+  // ACTUALLY USED AS A REAL HANDLE.
+  static Handle GetFakeHandleForTest() {
+    static int fake_handle = 10;
+    return fake_handle++;
+  }
 #else  // OS_POSIX
   typedef base::SharedMemoryHandle Handle;
   // On POSIX, the inode number of the backing file is used as an id.
 #if defined(OS_ANDROID)
   typedef base::SharedMemoryHandle Id;
 #else
   typedef base::SharedMemoryId Id;
 #endif
 
   // Returns a default, invalid handle, that is meant to indicate a missing
@@ skipping 68 matching lines @@
 #if defined(TOOLKIT_GTK) || \
   (defined(OS_LINUX) && defined(USE_AURA) && defined(USE_X11))
   // Map the shared memory into the X server and return an id for the shared
   // segment.
   XID MapToX(Display* connection);
 
   void IncreaseInFlightCounter() { inflight_counter_++; }
   // Decreases the inflight counter, and deletes the transport DIB if it is
   // detached.
   void DecreaseInFlightCounter();
+#endif
 
+#if defined(TOOLKIT_GTK) || \
+  (defined(OS_LINUX) && defined(USE_AURA) && defined(USE_X11)) || \
+  defined(USE_NATIVE_SURFACE_LINUX)
   // Deletes this transport DIB and detaches the shared memory once the
   // |inflight_counter_| is zero.
   void Detach();
 #endif
 
  private:
   TransportDIB();
 
   // Verifies that the dib can hold a canvas of the requested dimensions.
   bool VerifyCanvasSize(int w, int h);
@@ skipping 10 matching lines @@
   explicit TransportDIB(base::SharedMemoryHandle dib);
   base::SharedMemory shared_memory_;
   uint32 sequence_num_;
 #endif
   size_t size_;  // length, in bytes
 
   DISALLOW_COPY_AND_ASSIGN(TransportDIB);
 };
 
 #endif  // UI_SURFACE_TRANSPORT_DIB_H_