Revert of [NTP] Do not force offline version when opening non-download snippets.

chrome/android/java/src/org/chromium/chrome/browser/ntp/NewTabPage.java

Index: chrome/android/java/src/org/chromium/chrome/browser/ntp/NewTabPage.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/ntp/NewTabPage.java b/chrome/android/java/src/org/chromium/chrome/browser/ntp/NewTabPage.java
index 7a36b089a05ef77fa3c2a6028f70466038dfb815..eda72050881735c7724025299c753b1f95522a7e 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/ntp/NewTabPage.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/ntp/NewTabPage.java
@@ -379,14 +379,10 @@
             }
 
             LoadUrlParams loadUrlParams;
-            // We explicitly open an offline page only for offline page downloads. For all other
-            // sections the URL is opened and it is up to Offline Pages whether to open its offline
-            // page (e.g. when offline).
-            if (article.isDownload() && !article.mIsAssetDownload) {
-                assert article.getOfflinePageOfflineId() != null;
-                assert windowOpenDisposition == WindowOpenDisposition.CURRENT_TAB
-                        || windowOpenDisposition == WindowOpenDisposition.NEW_WINDOW
-                        || windowOpenDisposition == WindowOpenDisposition.NEW_FOREGROUND_TAB;
+            // The snippet's offline page is ignored if the snippet is saved or opened in incognito.
+            if (article.getOfflinePageOfflineId() != null
+                    && windowOpenDisposition != WindowOpenDisposition.SAVE_TO_DISK
+                    && windowOpenDisposition != WindowOpenDisposition.OFF_THE_RECORD) {
                 loadUrlParams = OfflinePageUtils.getLoadUrlParamsForOpeningOfflineVersion(
                         article.mUrl, article.getOfflinePageOfflineId());
                 // Extra headers are not read in loadUrl, but verbatim headers are.