gpu: Add support for GLX_EXT_texture_from_pixmap extension.

ui/gl/gl.gyp

 # 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.
 
 {
   'variables': {
     'chromium_code': 1,
   },
 
   'targets': [
@@ skipping 35 matching lines @@
         'gl_context_linux.cc',
         'gl_context_mac.mm',
         'gl_context_osmesa.cc',
         'gl_context_osmesa.h',
         'gl_context_stub.cc',
         'gl_context_stub.h',
         'gl_context_win.cc',
         'gl_export.h',
         'gl_fence.cc',
         'gl_fence.h',
+        'gl_image.cc',
+        'gl_image.h',
+        'gl_image_android.cc',
+        'gl_image_linux.cc',
+        'gl_image_mac.cc',
+        'gl_image_stub.cc',
+        'gl_image_stub.h',
+        'gl_image_win.cc',
         'gl_implementation.cc',
         'gl_implementation.h',
         'gl_implementation_android.cc',
         'gl_implementation_linux.cc',
         'gl_implementation_mac.cc',
         'gl_implementation_win.cc',
         'gl_interface.cc',
         'gl_interface.h',
         'gl_share_group.cc',
         'gl_share_group.h',
@@ skipping 68 matching lines @@
             '<(gl_binding_output_dir)/gl_bindings_autogen_egl.h',
           ],
           'include_dirs': [
             '<(DEPTH)/third_party/angle/include',
           ],
         }],
         ['use_x11 == 1', {
           'sources': [
             'gl_context_glx.cc',
             'gl_context_glx.h',
+            'gl_image_glx.cc',
+            'gl_image_glx.h',
             'gl_surface_glx.cc',
             'gl_surface_glx.h',
             '<(gl_binding_output_dir)/gl_bindings_autogen_glx.cc',
             '<(gl_binding_output_dir)/gl_bindings_autogen_glx.h',
           ],
           'all_dependent_settings': {
             'defines': [
               'GL_GLEXT_PROTOTYPES',
             ],
           },
@@ skipping 41 matching lines @@
           ],
           'defines': [
             'GL_GLEXT_PROTOTYPES',
             'EGL_EGLEXT_PROTOTYPES',
           ],
         }],
       ],
     },
   ],
 }