Move the platform files form port to skia for Mac only. Hopefully this won't ...

skia/SConscript

 # Copyright (c) 2006-2008 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.
 
 Import('env')
 
 env = env.Clone()
 
 env.Prepend(
   CPPPATH = [
@@ skipping 149 matching lines @@
   input_files.remove('ports/SkFontHost_none.cpp')
   input_files.append('sgl/SkTypeface.cpp')
   input_files.append('ports/SkFontHost_FreeType.cpp')
   input_files.append('ports/SkFontHost_gamma_none.cpp')
   input_files.append('ports/SkFontHost_fontconfig.cpp')
   input_files.append('images/SkMMapStream.cpp')
 
 if env['PLATFORM'] in ('darwin', 'posix'):
   input_files.append('ports/SkThread_pthread.cpp')
 
+if env['PLATFORM'] == 'darwin':
+  input_files.append('ext/bitmap_platform_device_mac.cc')
+  input_files.append('ext/platform_canvas_mac.cc')
+  input_files.append('ext/platform_device_mac.cc')
+
 if env['PLATFORM'] == 'win32':
   input_files.append('ports/SkThread_win.cpp')
 
   env_p = env.Clone(
     PCHSTOP = 'SkTypes.h',
     PDB = 'vc80.pdb',
   )
 
   # TODO(rspangler): This step forces -Zi, but doesn't actually use it.  Need to
   # fix so it doesn't override our -Z7.  -Zi also causes vc80.pdb to be created
   # in the skia directory.
   # TODO(bradnelson): This step creates a skia.pch.ib_tag file to be created. 
   # It's a 0-length file so likely harmless.  Is this a side effect of having
   # IncrediBuild installed on the build machine?
   pch, obj = env_p.PCH(['skia.pch', 'precompiled.obj'], 'precompiled.cc')
   env_p['PCH'] = pch
   input_files += [obj]
 
 env.ChromeStaticLibrary('skia', input_files)