ozone: Implement zero/one-copy texture for Ozone GBM.

content/content_common.gypi

 # 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.
 
 {
   'dependencies': [
     '../base/base.gyp:base',
     '../components/tracing.gyp:tracing',
     '../gpu/command_buffer/command_buffer.gyp:gles2_utils',
     '../net/net.gyp:net',
@@ skipping 1038 matching lines @@
         'common/cursors/webcursor_ozone.cc',
         'common/font_list_ozone.cc',
         'common/gpu/client/gpu_memory_buffer_impl_ozone.cc',
         'common/gpu/client/gpu_memory_buffer_impl_ozone_native_buffer.cc',
         'common/gpu/client/gpu_memory_buffer_impl_ozone_native_buffer.h',
         'common/gpu/gpu_memory_buffer_factory_ozone.cc',
         'common/gpu/gpu_memory_buffer_factory_ozone_native_buffer.cc',
         'common/gpu/gpu_memory_buffer_factory_ozone_native_buffer.h',
       ],
     }],
+    ['ozone_platform_gbm==1', {
+      'defines': ['USE_OZONE_GBM'],
+      'dependencies': [
+        '../build/linux/system.gyp:libdrm',
+      ],
+      'sources': [
+        'common/gpu/client/gpu_memory_buffer_impl_ozone_gbm.cc',
+        'common/gpu/client/gpu_memory_buffer_impl_ozone_gbm.h',
+      ],
+    }],
   ],
 }