Continue with the FreeBSD port - this version builds and links, though...

chrome/browser/renderer_host/backing_store.h

Index: chrome/browser/renderer_host/backing_store.h
===================================================================
--- chrome/browser/renderer_host/backing_store.h	(revision 25977)
+++ chrome/browser/renderer_host/backing_store.h	(working copy)
@@ -17,7 +17,7 @@
 #elif defined(OS_MACOSX)
 #include "base/scoped_cftyperef.h"
 #include "skia/ext/platform_canvas.h"
-#elif defined(OS_LINUX)
+#elif defined(USE_X11)
 #include "chrome/common/x11_util.h"
 #endif
 
@@ -33,7 +33,7 @@
  public:
 #if defined(OS_WIN) || defined(OS_MACOSX)
   BackingStore(RenderWidgetHost* widget, const gfx::Size& size);
-#elif defined(OS_LINUX)
+#elif defined(USE_X11)
   // Create a backing store on the X server. The visual is an Xlib Visual
   // describing the format of the target window and the depth is the color
   // depth of the X window which will be drawn into.
@@ -71,7 +71,7 @@
   // Paint the layer into a graphics context--if the target is a window,
   // this should be a GPU->GPU copy (and therefore very fast).
   void PaintToRect(const gfx::Rect& dest_rect, CGContextRef target);
-#elif defined(OS_LINUX)
+#elif defined(USE_X11)
   Display* display() const { return display_; }
   XID root_window() const { return root_window_; };
 
@@ -124,7 +124,7 @@
 #elif defined(OS_MACOSX)
   scoped_cftyperef<CGContextRef> cg_bitmap_;
   scoped_cftyperef<CGLayerRef> cg_layer_;
-#elif defined(OS_LINUX)
+#elif defined(USE_X11)
   // Paints the bitmap from the renderer onto the backing store without
   // using Xrender to composite the pixmaps.
   void PaintRectWithoutXrender(TransportDIB* bitmap,