Move Tab's top controls visibility to a delegate

chrome/android/java/src/org/chromium/chrome/browser/customtabs/CustomTabDelegateFactory.java

Index: chrome/android/java/src/org/chromium/chrome/browser/customtabs/CustomTabDelegateFactory.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/customtabs/CustomTabDelegateFactory.java b/chrome/android/java/src/org/chromium/chrome/browser/customtabs/CustomTabDelegateFactory.java
index 96a7e699d71fb5c4e165b57e01e432b3220fbdee..41153d5d23dad4812f02b9456a17c7101175c2e3 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/customtabs/CustomTabDelegateFactory.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/customtabs/CustomTabDelegateFactory.java
@@ -4,11 +4,9 @@
 
 package org.chromium.chrome.browser.customtabs;
 
-import android.app.Application;
 import android.content.Intent;
 import android.content.pm.ResolveInfo;
 import android.graphics.Rect;
-import android.os.IBinder;
 import android.os.SystemClock;
 import android.os.TransactionTooLargeException;
 
@@ -151,18 +149,10 @@ public class CustomTabDelegateFactory extends TabDelegateFactory {
         }
     }
 
-    private final Application mApplication;
-    private final IBinder mSession;
     private CustomTabNavigationDelegate mNavigationDelegate;
     private ExternalNavigationHandler mNavigationHandler;
     private CustomTabObserver mTabObserver;
 
-    public CustomTabDelegateFactory(Application application, IBinder session) {
-        super();
-        mApplication = application;
-        mSession = session;
-    }
-
     @Override
     public TabWebContentsDelegateAndroid createWebContentsDelegate(Tab tab,
             ChromeActivity activity) {