Make TabBase non abstract

chrome/android/testshell/java/src/org/chromium/chrome/testshell/TestShellTab.java

Index: chrome/android/testshell/java/src/org/chromium/chrome/testshell/TestShellTab.java
diff --git a/chrome/android/testshell/java/src/org/chromium/chrome/testshell/TestShellTab.java b/chrome/android/testshell/java/src/org/chromium/chrome/testshell/TestShellTab.java
index 7953b7503b079a53684e5562f8597dacb5781c6b..faebeaadb5377a286bcfac72ad8a5a85ff44d9c5 100644
--- a/chrome/android/testshell/java/src/org/chromium/chrome/testshell/TestShellTab.java
+++ b/chrome/android/testshell/java/src/org/chromium/chrome/testshell/TestShellTab.java
@@ -23,8 +23,6 @@ import org.chromium.ui.base.WindowAndroid;
 public class TestShellTab extends TabBase {
     private long mNativeTestShellTab;
 
-    private CleanupReference mCleanupReference;
-
     // Tab state
     private boolean mIsLoading;
 
@@ -45,17 +43,13 @@ public class TestShellTab extends TabBase {
         super.initialize();
 
         mNativeTestShellTab = nativeInit();
-        mCleanupReference = new CleanupReference(this, new DestroyRunnable(mNativeTestShellTab));
     }
 
     @Override
     public void destroy() {
         super.destroy();
 
-        if (mNativeTestShellTab != 0) {
-            mCleanupReference.cleanupNow();
-            mNativeTestShellTab = 0;
-        }
+        mNativeTestShellTab = 0;
     }
 
     /**
@@ -104,17 +98,6 @@ public class TestShellTab extends TabBase {
         return new TestShellTabBaseChromeWebContentsDelegateAndroid();
     }
 
-    private static final class DestroyRunnable implements Runnable {
-        private final long mNativeTestShellTab;
-        private DestroyRunnable(long nativeTestShellTab) {
-            mNativeTestShellTab = nativeTestShellTab;
-        }
-        @Override
-        public void run() {
-            nativeDestroy(mNativeTestShellTab);
-        }
-    }
-
     @Override
     protected AutoLoginProcessor createAutoLoginProcessor() {
        return new AutoLoginProcessor() {
@@ -151,6 +134,5 @@ public class TestShellTab extends TabBase {
     }
 
     private native long nativeInit();
-    private static native void nativeDestroy(long nativeTestShellTab);
     private native String nativeFixupUrl(long nativeTestShellTab, String url);
 }