GYP changes and scripts for compiling Skia for ChromeOS

gyp/gpu.gyp

 {
   'target_defaults': {
     'conditions': [
       ['skia_os != "win"', {
         'sources/': [ ['exclude', '_win.(h|cpp)$'],
         ],
       }],
       ['skia_os != "mac"', {
         'sources/': [ ['exclude', '_mac.(h|cpp|m|mm)$'],
         ],
       }],
-      ['skia_os != "linux"', {
+      ['skia_os != "linux" and skia_os != "chromeos"', {
         'sources/': [ ['exclude', '_unix.(h|cpp)$'],
         ],
       }],
       ['skia_os != "ios"', {
         'sources/': [ ['exclude', '_iOS.(h|cpp|m|mm)$'],
         ],
       }],
       ['skia_os != "android"', {
         'sources/': [ ['exclude', '_android.(h|cpp)$'],
         ],
       }],
       ['skia_os != "nacl"', {
         'sources/': [ ['exclude', '_nacl.(h|cpp)$'],
         ],
       }],
       [ 'skia_os == "android"', {
         'defines': [
           'GR_ANDROID_BUILD=1',
         ],
       }],
       [ 'skia_os == "mac"', {
         'defines': [
           'GR_MAC_BUILD=1',
         ],
       }],
-      [ 'skia_os == "linux"', {
+      [ 'skia_os == "linux" or skia_os == "chromeos"', {
         'defines': [
           'GR_LINUX_BUILD=1',
         ],
       }],
       [ 'skia_os == "ios"', {
         'defines': [
           'GR_IOS_BUILD=1',
         ],
       }],
       [ 'skia_os == "win"', {
@@ skipping 176 matching lines @@
             '../experimental/AndroidPathRenderer/GrAndroidPathRenderer.cpp',
             '../experimental/AndroidPathRenderer/GrAndroidPathRenderer.h',
             '../experimental/AndroidPathRenderer/AndroidPathRenderer.cpp',
             '../experimental/AndroidPathRenderer/AndroidPathRenderer.h',
             '../experimental/AndroidPathRenderer/Vertex.h',
           ],
           'defines': [
             'GR_ANDROID_PATH_RENDERING=1',
           ],
         }],
-        [ 'skia_os == "linux"', {
+        [ 'skia_os == "linux" or skia_os == "chromeos"', {
           'sources!': [
             '../src/gpu/gl/GrGLDefaultInterface_none.cpp',
             '../src/gpu/gl/GrGLCreateNativeInterface_none.cpp',
           ],
           'link_settings': {
             'libraries': [
               '-lGL',
               '-lGLU',
               '-lX11',
             ],
@@ skipping 71 matching lines @@
       ],
     },
   ],
 }
 
 # Local Variables:
 # tab-width:2
 # indent-tabs-mode:nil
 # End:
 # vim: set expandtab tabstop=2 shiftwidth=2: