If location services are turned off, have the BT chooser prompt the user to turn them on.

device/bluetooth/android/java/src/org/chromium/device/bluetooth/Wrappers.java

Index: device/bluetooth/android/java/src/org/chromium/device/bluetooth/Wrappers.java
diff --git a/device/bluetooth/android/java/src/org/chromium/device/bluetooth/Wrappers.java b/device/bluetooth/android/java/src/org/chromium/device/bluetooth/Wrappers.java
index 2cc705d22253d5a993bd2581f333c082b6478d4f..1ce3dd9b73aa4b69a2b49ab2448ced3e8d251f5a 100644
--- a/device/bluetooth/android/java/src/org/chromium/device/bluetooth/Wrappers.java
+++ b/device/bluetooth/android/java/src/org/chromium/device/bluetooth/Wrappers.java
@@ -23,6 +23,7 @@ import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.content.pm.PackageManager;
+import android.location.LocationManager;
 import android.os.Build;
 import android.os.ParcelUuid;
 import android.os.Process;
@@ -167,6 +168,11 @@ class Wrappers {
                     == PackageManager.PERMISSION_GRANTED;
         }
 
+        public LocationManagerWrapper getLocationManager() {
+            return new LocationManagerWrapper(
+                    (LocationManager) mContext.getSystemService(Context.LOCATION_SERVICE));
+        }
+
         public Intent registerReceiver(BroadcastReceiver receiver, IntentFilter filter) {
             return mContext.registerReceiver(receiver, filter);
         }
@@ -176,6 +182,18 @@ class Wrappers {
         }
     }
 
+    static class LocationManagerWrapper {
+        private final LocationManager mLocationManager;
+
+        public LocationManagerWrapper(LocationManager locationManager) {
+            mLocationManager = locationManager;
+        }
+
+        public boolean isProviderEnabled(String name) {
+            return mLocationManager.isProviderEnabled(name);
+        }
+    }
+
     /**
      * Wraps android.bluetooth.BluetoothLeScanner.
      */