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

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

Index: chrome/android/java/src/org/chromium/chrome/browser/tabmodel/EmptyTabModel.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/tabmodel/EmptyTabModel.java b/chrome/android/java/src/org/chromium/chrome/browser/tabmodel/EmptyTabModel.java
index cefe4dfd0fe253d959580bf8173d212077569321..817b36a3668a807eb53fa8e78dcd68054df6017a 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/tabmodel/EmptyTabModel.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/tabmodel/EmptyTabModel.java
@@ -107,16 +107,13 @@ public class EmptyTabModel 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() {
@@ -129,19 +126,17 @@ public class EmptyTabModel implements TabModel {
     }
 
     @Override
-    public void addObserver(TabModelObserver observer) {
-    }
+    public void addObserver(TabModelObserver observer) {}
 
     @Override
-    public void removeObserver(TabModelObserver observer) {
-    }
+    public void removeObserver(TabModelObserver observer) {}
 
     @Override
-    public void removeTab(Tab tab) {
-    }
+    public void removeTab(Tab tab) {}
 
     @Override
-    public void openMostRecentlyClosedTab() {
-    }
+    public void openMostRecentlyClosedTab() {}
 
+    @Override
+    public void setMayAddTab(boolean mayAddTab) {}
 }