🤝 Add static factory method constructor to Origin.

The factory doesn't do anything at the moment, but I'm going to move
downstream over to use this method before further changes.

Bug: 1018672
Change-Id: I35092af3d0659733eca3587d33ef064c49ca4f8a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1881166Reviewed-by: Richard Knoll <knollr@chromium.org>
Commit-Queue: Peter Conn <peconn@chromium.org>
Cr-Commit-Position: refs/heads/master@{#709837}

chrome/android/java/src/org/chromium/chrome/browser/browserservices/Origin.java

@@ -8,6 +8,8 @@ import android.net.Uri;
 
 import org.chromium.chrome.browser.util.UrlConstants;
 
+import androidx.annotation.Nullable;
+
 /**
  * A class to canonically represent a web origin in Java. In comparison to
  * {@link org.chromium.net.GURLUtils#getOrigin} it can be used before native is loaded and lets us
@@ -67,6 +69,23 @@ public class Origin {
         mOrigin = origin;
     }
 
+    /**
+     * Constructs a canonical Origin from an Uri.
+     */
+    @Nullable
+    public static Origin create(Uri uri) {
+        // This method will return null in the near future.
+        return new Origin(uri);
+    }
+
+    /**
+     * Constructs a canonical Origin from a String.
+     */
+    @Nullable
+    public static Origin create(String uri) {
+        return create(Uri.parse(uri));
+    }
+
     /**
      * Returns whether the Origin is valid.
      */