gpu: Move native memory buffer configuration into //gpu

gpu/ipc/host/BUILD.gn

Index: gpu/ipc/host/BUILD.gn
diff --git a/gpu/ipc/host/BUILD.gn b/gpu/ipc/host/BUILD.gn
new file mode 100644
index 0000000000000000000000000000000000000000..9b0ba044b1b2c74bd6aa7b2795692233d903988c
--- /dev/null
+++ b/gpu/ipc/host/BUILD.gn
@@ -0,0 +1,21 @@
+# Copyright 2016 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")
+
+source_set("host") {
+  sources = [
+    "gpu_memory_buffer_support.cc",
+    "gpu_memory_buffer_support.h",
+    "gpu_switches.cc",
+    "gpu_switches.h",
+  ]
+
+  deps = [
+    "//base",
+    "//gpu/ipc/common",
+    "//ui/gfx",
+    "//ui/gl",
+  ]
+}