Replaces FullscreenActivity with SingleTabActivity.

chrome/android/java/src/org/chromium/chrome/browser/webapps/WebappDelegateFactory.java

Index: chrome/android/java/src/org/chromium/chrome/browser/webapps/WebappDelegateFactory.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/webapps/WebappDelegateFactory.java b/chrome/android/java/src/org/chromium/chrome/browser/webapps/WebappDelegateFactory.java
index 5b9fd317a83a21f9fc92017cc6e9732fca4f938d..a6121a900b2f18ca8b471a918c4b3ee6f223ae87 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/webapps/WebappDelegateFactory.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/webapps/WebappDelegateFactory.java
@@ -9,9 +9,13 @@ import android.text.TextUtils;
 
 import org.chromium.base.ContextUtils;
 import org.chromium.chrome.browser.ShortcutHelper;
+import org.chromium.chrome.browser.SingleTabActivity;
+import org.chromium.chrome.browser.contextmenu.ChromeContextMenuPopulator;
+import org.chromium.chrome.browser.contextmenu.ContextMenuPopulator;
 import org.chromium.chrome.browser.tab.BrowserControlsVisibilityDelegate;
 import org.chromium.chrome.browser.tab.InterceptNavigationDelegateImpl;
 import org.chromium.chrome.browser.tab.Tab;
+import org.chromium.chrome.browser.tab.TabContextMenuItemDelegate;
 import org.chromium.chrome.browser.tab.TabDelegateFactory;
 import org.chromium.chrome.browser.tab.TabWebContentsDelegateAndroid;
 import org.chromium.chrome.browser.util.IntentUtils;
@@ -19,9 +23,9 @@ import org.chromium.webapk.lib.client.WebApkNavigationClient;
 
 /**
  * A {@link TabDelegateFactory} class to be used in all {@link Tab} instances owned by a
- * {@link FullScreenActivity}.
+ * {@link SingleTabActivity}.
  */
-public class WebappDelegateFactory extends FullScreenDelegateFactory {
+public class WebappDelegateFactory extends TabDelegateFactory {
     private static class WebappWebContentsDelegateAndroid extends TabWebContentsDelegateAndroid {
         private final WebappActivity mActivity;
 
@@ -64,6 +68,12 @@ public class WebappDelegateFactory extends FullScreenDelegateFactory {
         mActivity = activity;
     }
 
+    @Override
+    public ContextMenuPopulator createContextMenuPopulator(Tab tab) {
+        return new ChromeContextMenuPopulator(
+                new TabContextMenuItemDelegate(tab), ChromeContextMenuPopulator.WEB_APP_MODE);
+    }
+
     @Override
     public TabWebContentsDelegateAndroid createWebContentsDelegate(Tab tab) {
         return new WebappWebContentsDelegateAndroid(mActivity, tab);