[Chromecast] Turn CastContentWindow into an abstract interface.

chromecast/android/cast_jni_registrar.cc

Index: chromecast/android/cast_jni_registrar.cc
diff --git a/chromecast/android/cast_jni_registrar.cc b/chromecast/android/cast_jni_registrar.cc
index 5036a0f20b66bc42f292ffd3d54ae5f39e66f4da..a2a0fd77703b8409c73911deebf429c35b3bb2aa 100644
--- a/chromecast/android/cast_jni_registrar.cc
+++ b/chromecast/android/cast_jni_registrar.cc
@@ -7,10 +7,8 @@
 #include "base/android/jni_android.h"
 #include "base/android/jni_registrar.h"
 #include "base/macros.h"
-#include "chromecast/android/cast_metrics_helper_android.h"
 #include "chromecast/base/android/system_time_change_notifier_android.h"
 #include "chromecast/base/chromecast_config_android.h"
-#include "chromecast/browser/android/cast_window_manager.h"
 
 namespace chromecast {
 namespace android {
@@ -18,11 +16,9 @@ namespace android {
 namespace {
 
 static base::android::RegistrationMethod kMethods[] = {
-  { "CastMetricsHelperAndroid", CastMetricsHelperAndroid::RegisterJni },
-  { "CastWindowManager", shell::RegisterCastWindowManager },
-  { "ChromecastConfigAndroid", ChromecastConfigAndroid::RegisterJni },
-  { "SystemTimeChangeNotifierAndroid",
-      SystemTimeChangeNotifierAndroid::RegisterJni },
+    {"ChromecastConfigAndroid", ChromecastConfigAndroid::RegisterJni},
+    {"SystemTimeChangeNotifierAndroid",
+     SystemTimeChangeNotifierAndroid::RegisterJni},
 };
 
 }  // namespace