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

chrome/browser/tab_contents/thumbnail_generator.cc

 // Copyright (c) 2009 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 "chrome/browser/tab_contents/thumbnail_generator.h"
 
 #include <algorithm>
 
 #include "base/histogram.h"
 #include "base/time.h"
@@ skipping 111 matching lines @@
                               backing_store->size().height(), true))
     return result;
   GetBitmapForBackingStore(backing_store, &temp_canvas);
 
   // Get the bitmap out of the canvas and resample it. It would be nice if this
   // whole Windows-specific block could be put into a function, but the memory
   // management wouldn't work out because the bitmap is a PlatformDevice which
   // can't actually be copied.
   const SkBitmap& bmp = temp_canvas.getTopPlatformDevice().accessBitmap(false);
 
-#elif defined(OS_LINUX)
+#elif defined(USE_X11)
   SkBitmap bmp = backing_store->PaintRectToBitmap(
       gfx::Rect(0, 0,
                 backing_store->size().width(), backing_store->size().height()));
 
 #elif defined(OS_MACOSX)
   SkBitmap bmp;
   NOTIMPLEMENTED();
 #endif
 
   result = skia::ImageOperations::DownsampleByTwoUntilSize(
@@ skipping 213 matching lines @@
                  &ThumbnailGenerator::ShownDelayHandler);
   }
 }
 
 void ThumbnailGenerator::EraseHostFromShownList(RenderWidgetHost* widget) {
   std::vector<RenderWidgetHost*>::iterator found =
       std::find(shown_hosts_.begin(), shown_hosts_.end(), widget);
   if (found != shown_hosts_.end())
     shown_hosts_.erase(found);
 }