[Device Service] Port ScreenOrientationListener into Device Service.

content/public/android/java/src/org/chromium/content/browser/ScreenOrientationProvider.java

Index: content/public/android/java/src/org/chromium/content/browser/ScreenOrientationProvider.java
diff --git a/content/public/android/java/src/org/chromium/content/browser/ScreenOrientationProvider.java b/content/public/android/java/src/org/chromium/content/browser/ScreenOrientationProvider.java
index 5fd2b41106db04aed0d7295fa03eab30ed7efaa0..83aa4cdf27df849b5a6470438b6c82a0f51cb78a 100644
--- a/content/public/android/java/src/org/chromium/content/browser/ScreenOrientationProvider.java
+++ b/content/public/android/java/src/org/chromium/content/browser/ScreenOrientationProvider.java
@@ -11,7 +11,6 @@ import android.content.pm.PackageManager;
 import android.view.Surface;
 
 import org.chromium.base.Log;
-import org.chromium.base.ThreadUtils;
 import org.chromium.base.annotations.CalledByNative;
 import org.chromium.base.annotations.JNINamespace;
 import org.chromium.content_public.common.ScreenOrientationConstants;
@@ -124,26 +123,6 @@ public class ScreenOrientationProvider {
         }
     }
 
-    @CalledByNative
-    static void startAccurateListening() {
-        ThreadUtils.runOnUiThread(new Runnable() {
-            @Override
-            public void run() {
-                DisplayAndroid.startAccurateListening();
-            }
-        });
-    }
-
-    @CalledByNative
-    static void stopAccurateListening() {
-        ThreadUtils.runOnUiThread(new Runnable() {
-            @Override
-            public void run() {
-                DisplayAndroid.stopAccurateListening();
-            }
-        });
-    }
-
     private ScreenOrientationProvider() {
     }
 }