[Chromecast] Android-specific cast_media implementation.

chromecast/media/base/BUILD.gn

Index: chromecast/media/base/BUILD.gn
diff --git a/chromecast/media/base/BUILD.gn b/chromecast/media/base/BUILD.gn
index 8a880b60e097d66a17aec93843ba32619bc0fd23..f71222c9954ca75d256199f22d971ef7c8250015 100644
--- a/chromecast/media/base/BUILD.gn
+++ b/chromecast/media/base/BUILD.gn
@@ -51,7 +51,6 @@ source_set("base") {
   ]
 
   deps = [
-    ":libcast_media_1.0",
     "//base",
     "//chromecast/base",
     "//crypto",
@@ -59,6 +58,12 @@ source_set("base") {
     "//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.
@@ -74,6 +79,21 @@ shared_library("libcast_media_1.0") {
   ]
 }
 
+# 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") {