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

content/browser/screen_orientation/screen_orientation_provider_android.cc

Index: content/browser/screen_orientation/screen_orientation_provider_android.cc
diff --git a/content/browser/screen_orientation/screen_orientation_provider_android.cc b/content/browser/screen_orientation/screen_orientation_provider_android.cc
index 36064a69371e5744fbff6f10f50392d20ba6686d..72940624841a48efb35075f7fe3d8031be3478cb 100644
--- a/content/browser/screen_orientation/screen_orientation_provider_android.cc
+++ b/content/browser/screen_orientation/screen_orientation_provider_android.cc
@@ -203,6 +203,18 @@ ScreenOrientationProviderAndroid::GetNaturalLockType() const {
 }
 
 // static
+void ScreenOrientationProviderAndroid::StartAccurateListening() {
+  Java_ScreenOrientationProvider_startAccurateListening(
+      base::android::AttachCurrentThread());
+}
+
+// static
+void ScreenOrientationProviderAndroid::StopAccurateListening() {
+  Java_ScreenOrientationProvider_stopAccurateListening(
+      base::android::AttachCurrentThread());
+}
+
+// static
 ScreenOrientationProvider* ScreenOrientationProvider::Create(
     ScreenOrientationDispatcherHost* dispatcher,
     WebContents* web_contents) {