ShapeDetection: Move factory method to static nested class

chrome/android/java/src/org/chromium/chrome/browser/shapedetection/TextDetectionImpl.java

Index: chrome/android/java/src/org/chromium/chrome/browser/shapedetection/TextDetectionImpl.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/shapedetection/TextDetectionImpl.java b/chrome/android/java/src/org/chromium/chrome/browser/shapedetection/TextDetectionImpl.java
index b6f541c20a974b2b71230a9ed8905ddfc0f98b7a..2f4fab05161550ec61a1e58f917225984669db9f 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/shapedetection/TextDetectionImpl.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/shapedetection/TextDetectionImpl.java
@@ -20,6 +20,7 @@ import org.chromium.gfx.mojom.RectF;
 import org.chromium.mojo.system.MojoException;
 import org.chromium.mojo.system.SharedBufferHandle;
 import org.chromium.mojo.system.SharedBufferHandle.MapFlags;
+import org.chromium.services.service_manager.InterfaceFactory;
 import org.chromium.shape_detection.mojom.TextDetection;
 import org.chromium.shape_detection.mojom.TextDetectionResult;
 
@@ -112,4 +113,20 @@ public class TextDetectionImpl implements TextDetection {
     public void onConnectionError(MojoException e) {
         close();
     }
+
+    /**
+     * A factory class to register TextDetection interface.
+     */
+    public static class Factory implements InterfaceFactory<TextDetection> {
+        private final Context mContext;
+
+        public Factory(Context context) {
+            mContext = context;
+        }
+
+        @Override
+        public TextDetection createImpl() {
+            return new TextDetectionImpl(mContext);
+        }
+    }
 }