[Home] Ensure incognito tab model is created when NTP opened

chrome/android/java/src/org/chromium/chrome/browser/tabmodel/SingleTabModel.java

Index: chrome/android/java/src/org/chromium/chrome/browser/tabmodel/SingleTabModel.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/tabmodel/SingleTabModel.java b/chrome/android/java/src/org/chromium/chrome/browser/tabmodel/SingleTabModel.java
index cc20e9ba5a0984636ffece7503924a850c077354..593624ad7fc3beb9f7460e688fc7f6fd973f3529 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/tabmodel/SingleTabModel.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/tabmodel/SingleTabModel.java
@@ -151,16 +151,13 @@ public class SingleTabModel implements TabModel {
     }
 
     @Override
-    public void commitAllTabClosures() {
-    }
+    public void commitAllTabClosures() {}
 
     @Override
-    public void commitTabClosure(int tabId) {
-    }
+    public void commitTabClosure(int tabId) {}
 
     @Override
-    public void cancelTabClosure(int tabId) {
-    }
+    public void cancelTabClosure(int tabId) {}
 
     @Override
     public boolean supportsPendingClosures() {
@@ -168,8 +165,7 @@ public class SingleTabModel implements TabModel {
     }
 
     @Override
-    public void addTab(Tab tab, int index, TabLaunchType type) {
-    }
+    public void addTab(Tab tab, int index, TabLaunchType type) {}
 
     @Override
     public void removeTab(Tab tab) {
@@ -190,7 +186,8 @@ public class SingleTabModel implements TabModel {
     private static native void nativePermanentlyBlockAllNewWindows(Tab nativeTabAndroid);
 
     @Override
-    public void openMostRecentlyClosedTab() {
-    }
+    public void openMostRecentlyClosedTab() {}
 
+    @Override
+    public void setMayAddTab(boolean mayAddTab) {}
 }