[Chromecast] Android-specific cast_media implementation.

chromecast/media/base/BUILD.gn

 # Copyright 2015 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("//chromecast/chromecast.gni")
 
 source_set("key_systems") {
   sources = [
     "key_systems_common.cc",
     "key_systems_common.h",
@@ skipping 33 matching lines @@
       "video_resolution_policy.h",
     ]
   }
 
   public_deps = [
     ":key_systems",
     "//chromecast/public/media",
   ]
 
   deps = [
-    ":libcast_media_1.0",
     "//base",
     "//chromecast/base",
     "//crypto",
     "//crypto:platform",
     "//media",
     "//ui/gfx/geometry",
   ]
+
+  if (is_android) {
+    deps += [ ":libcast_media_1.0_android" ]
+  } else {
+    deps += [ ":libcast_media_1.0" ]
+  }
 }
 
 # Target for OEM partners to override media shared library, i.e.
 # libcast_media_1.0.so. This target is only used to build executables
 # with correct linkage information.
 shared_library("libcast_media_1.0") {
   sources = [
     "cast_media_dummy.cc",
   ]
 
   public_deps = [
     "//chromecast/public",
   ]
 }
 
+# Target for Android implementation of libcast_media_1.0.
+shared_library("libcast_media_1.0_android") {
+  sources = [
+    "cast_media_android.cc",
+  ]
+
+  deps = [
+    "//base",
+  ]
+
+  public_deps = [
+    "//chromecast/public",
+  ]
+}
+
 # This target can be statically linked into unittests, but production
 # binaries should not depend on this target.
 source_set("libcast_media_1.0_default_core") {
   sources = [
     "cast_media_default.cc",
   ]
 
   public_deps = [
     "//chromecast/public",
     "//chromecast/public/media",
@@ skipping 22 matching lines @@
     "//chromecast/public/media",
   ]
 
   deps = [
     "//base",
     "//build/config/sanitizers:deps",
     "//chromecast/base",
     "//chromecast/media/cma/backend",
   ]
 }