Create entry to PWSharing through ShareHelper

chrome/android/java/src/org/chromium/chrome/browser/physicalweb/PhysicalWeb.java

Index: chrome/android/java/src/org/chromium/chrome/browser/physicalweb/PhysicalWeb.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/physicalweb/PhysicalWeb.java b/chrome/android/java/src/org/chromium/chrome/browser/physicalweb/PhysicalWeb.java
index 6a9f4c3bc4b9df7dfb9ce2b63dce12f80b479347..6bcb677017ca1518ec4a4e4a8e8f23610fb98fe2 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/physicalweb/PhysicalWeb.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/physicalweb/PhysicalWeb.java
@@ -27,6 +27,7 @@ public class PhysicalWeb {
     private static final String PREF_IGNORE_OTHER_CLIENTS = "physical_web_ignore_other_clients";
     private static final String FEATURE_NAME = "PhysicalWeb";
     private static final String IGNORE_OTHER_CLIENTS_FEATURE_NAME = "PhysicalWebIgnoreOtherClients";
+    private static final String PHYSICAL_WEB_SHARING_FEATURE_NAME = "PhysicalWebSharing";
     private static final int MIN_ANDROID_VERSION = 18;
 
     /**
@@ -40,6 +41,15 @@ public class PhysicalWeb {
     }
 
     /**
+     * Checks whether the Physical Web Sharing feature is enabled.
+     *
+     * @return boolean {@code true} if the feature is enabled
+     */
+    public static boolean sharingIsEnabled() {
+        return ChromeFeatureList.isEnabled(PHYSICAL_WEB_SHARING_FEATURE_NAME);
+    }
+
+    /**
      * Checks whether the Physical Web preference is switched to On.
      *
      * @return boolean {@code true} if the preference is On.