Poll for Display rotation on Android 4.0 and 4.1 when needed.

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 53c8c0f8452708e6dfdb5782150122153bc9d442..c90adc17d68ac066d1468b3c48b9b7500b4f3696 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
@@ -12,6 +12,7 @@ import android.util.Log;
 import org.chromium.base.ApplicationStatus;
 import org.chromium.base.CalledByNative;
 import org.chromium.base.JNINamespace;
+import org.chromium.base.ThreadUtils;
 import org.chromium.content.common.ScreenOrientationValues;
 
 /**
@@ -80,6 +81,26 @@ class ScreenOrientationProvider {
         }
     }
 
+    @CalledByNative
+    static void startAccurateListening() {
+        ThreadUtils.runOnUiThread(new Runnable() {
+            @Override
+            public void run() {
+                ScreenOrientationListener.getInstance().startAccurateListening();
+            }
+        });
+    }
+
+    @CalledByNative
+    static void stopAccurateListening() {
+        ThreadUtils.runOnUiThread(new Runnable() {
+            @Override
+            public void run() {
+                ScreenOrientationListener.getInstance().stopAccurateListening();
+            }
+        });
+    }
+
     private ScreenOrientationProvider() {
     }
 }