components: Add Exosphere component.

components/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("//testing/test.gni")
 import("//tools/grit/repack.gni")
 
 # Collection of all components. You wouldn't link to this, but this is rather
@@ skipping 55 matching lines @@
       "//components/crash/content/app",
       "//components/crash/content/browser",
       "//components/crx_file",
       "//components/data_reduction_proxy/core/browser",
       "//components/data_reduction_proxy/core/common",
       "//components/device_event_log",
       "//components/devtools_discovery",
       "//components/devtools_http_handler",
       "//components/dom_distiller/core",
       "//components/domain_reliability",
+      "//components/exo",
+      "//components/exo/wayland",
       "//components/favicon/core",
       "//components/favicon_base",
       "//components/feedback",
       "//components/gcm_driver",
       "//components/gcm_driver/crypto",
       "//components/gcm_driver/instance_id",
       "//components/history/content/browser",
       "//components/history/core/browser",
       "//components/history/core/common",
       "//components/history/core/test",
@@ skipping 116 matching lines @@
     if (!is_win && !is_mac) {
       deps -= [ "//components/wifi" ]
     }
 
     if (!is_chromeos) {
       deps -= [
         "//components/pairing",
         "//components/wifi_sync",
       ]
     }
+
+    if (!use_ash) {
+      deps -= [ "//components/exo" ]
+    }
+
+    if (!use_ash || !is_linux) {
+      deps -= [ "//components/exo/wayland" ]
+    }
   }
 
   if (toolkit_views) {
     deps += [ "//components/constrained_window" ]
   }
 
   if (is_android) {
     deps -= [
       "//components/autofill/content/browser",  # Blocked on content/blink.
       "//components/autofill/content/common",  # Blocked on content.
@@ skipping 404 matching lines @@
   ]
   if (!is_ios) {
     deps += [
       "//base",
       "//base/test:test_support_perf",
       "//content/test:test_support",
       "//components/visitedlink/browser",
     ]
   }
 }