webapk: Avoid overwriting default CreationParams

chrome/android/java/src/org/chromium/chrome/browser/tab/Tab.java

Index: chrome/android/java/src/org/chromium/chrome/browser/tab/Tab.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/tab/Tab.java b/chrome/android/java/src/org/chromium/chrome/browser/tab/Tab.java
index cc4e168d3559141737b5d37bc5d52e824a5afece..eba926451ad17dec8c39f8d90c6847afdcd077ff 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/tab/Tab.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/tab/Tab.java
@@ -1371,11 +1371,12 @@ public class Tab implements ViewGroup.OnHierarchyChangeListener,
 
             boolean creatingWebContents = webContents == null;
             if (creatingWebContents) {
+                int childProcessParamId = mDelegateFactory.getChildProcessParamId();
                 webContents = WarmupManager.getInstance().takeSpareWebContents(
-                        isIncognito(), initiallyHidden);
+                        isIncognito(), initiallyHidden, childProcessParamId);
                 if (webContents == null) {
-                    webContents =
-                            WebContentsFactory.createWebContents(isIncognito(), initiallyHidden);
+                    webContents = WebContentsFactory.createWebContents(
+                            childProcessParamId, isIncognito(), initiallyHidden);
                 }
             }
 
@@ -2026,7 +2027,8 @@ public class Tab implements ViewGroup.OnHierarchyChangeListener,
 
         if (mPendingLoadParams != null) {
             assert isFrozen();
-            initContentViewCore(WebContentsFactory.createWebContents(isIncognito(), isHidden()));
+            initContentViewCore(WebContentsFactory.createWebContents(
+                    mDelegateFactory.getChildProcessParamId(), isIncognito(), isHidden()));
             loadUrl(mPendingLoadParams);
             mPendingLoadParams = null;
             return true;
@@ -2097,7 +2099,8 @@ public class Tab implements ViewGroup.OnHierarchyChangeListener,
                 // State restore failed, just create a new empty web contents as that is the best
                 // that can be done at this point. TODO(jcivelli) http://b/5910521 - we should show
                 // an error page instead of a blank page in that case (and the last loaded URL).
-                webContents = WebContentsFactory.createWebContents(isIncognito(), isHidden());
+                webContents = WebContentsFactory.createWebContents(
+                        mDelegateFactory.getChildProcessParamId(), isIncognito(), isHidden());
                 mTabUma = new TabUma(TabCreationState.FROZEN_ON_RESTORE_FAILED);
                 mFailedToRestore = true;
             }