Sample code: IPC Transport object for GPU

content/gpu/BUILD.gn

 # Copyright 2014 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("//build/config/ui.gni")
 import("//content/content.gni")
 import("//media/media_options.gni")
 
 # See //content/BUILD.gn for how this works.
 group("gpu") {
   visibility = [ "//content/*" ]
 
   if (is_component_build) {
     public_deps = [
       "//content",
     ]
   } else {
     public_deps = [
       ":gpu_sources",
     ]
   }
 }
 
 source_set("gpu_sources") {
   visibility = [ "//content/*" ]
 
   sources = [
+    "chrome_gpu_memory_buffer_service_ipc_transport.cc",
+    "chrome_gpu_memory_buffer_service_ipc_transport.h",
     "gpu_child_thread.cc",
     "gpu_child_thread.h",
     "gpu_main.cc",
+    "gpu_memory_buffer_service.cc",
+    "gpu_memory_buffer_service.h",
+    "gpu_memory_buffer_service_ipc_transport.h",
     "gpu_process.cc",
     "gpu_process.h",
     "gpu_process_control_impl.cc",
     "gpu_process_control_impl.h",
     "gpu_watchdog_thread.cc",
     "gpu_watchdog_thread.h",
     "in_process_gpu_thread.cc",
     "in_process_gpu_thread.h",
   ]
 
@@ skipping 29 matching lines @@
   }
 
   if (is_chromeos && current_cpu != "arm") {
     configs += [ "//third_party/libva:libva_config" ]
   }
 
   if (use_x11) {
     deps += [ "//ui/events/platform/x11" ]
   }
 }