Create Mojo service for locking/unlocking screen orientation.

content/common/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/features.gni")
 import("//build/config/ui.gni")
 import("//content/common/common.gni")
 import("//mojo/public/tools/bindings/mojom.gni")
 
 source_set("common") {
@@ skipping 265 matching lines @@
         "sandbox_linux/android/sandbox_bpf_base_policy_android.cc",
         "sandbox_linux/android/sandbox_bpf_base_policy_android.h",
       ]
     }
   }
 }
 
 mojom("mojo_bindings") {
   sources = [
     "render_frame_setup.mojom",
+    "screen_orientation_service.mojom",
+    "//content/public/common/screen_orientation.mojom",
   ]
 
   deps = [
     "//mojo/public/interfaces/application:application",
   ]
 }