webapk: Avoid overwriting default CreationParams

chrome/android/java/src/org/chromium/chrome/browser/compositor/bottombar/OverlayPanelContent.java

Index: chrome/android/java/src/org/chromium/chrome/browser/compositor/bottombar/OverlayPanelContent.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/compositor/bottombar/OverlayPanelContent.java b/chrome/android/java/src/org/chromium/chrome/browser/compositor/bottombar/OverlayPanelContent.java
index f816d14fbcec6d0212b8915e99708aad8575b526..f1c0d2c51895118a8eb35c928867c7d13f2aa244 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/compositor/bottombar/OverlayPanelContent.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/compositor/bottombar/OverlayPanelContent.java
@@ -11,6 +11,7 @@ import android.view.ViewGroup;
 
 import org.chromium.base.VisibleForTesting;
 import org.chromium.base.annotations.CalledByNative;
+import org.chromium.base.process_launcher.ChildProcessCreationParams;
 import org.chromium.chrome.browser.ChromeActivity;
 import org.chromium.chrome.browser.ChromeVersionInfo;
 import org.chromium.chrome.browser.WebContentsFactory;
@@ -265,7 +266,12 @@ public class OverlayPanelContent {
         }
 
         // Creates an initially hidden WebContents which gets shown when the panel is opened.
-        WebContents panelWebContents = WebContentsFactory.createWebContents(false, true);
+        int paramsId = ChildProcessCreationParams.DEFAULT_ID;
+        Tab parentTab = mActivity.getActivityTab();
+        if (parentTab != null) {
+            paramsId = parentTab.getDelegateFactory().getChildProcessParamId();
+        }
+        WebContents panelWebContents = WebContentsFactory.createWebContents(paramsId, false, true);
 
         // Dummny ViewAndroidDelegate since the container view for overlay panel is
         // never added to the view hierarchy.