Add tab reparenting

chrome/android/javatests/src/org/chromium/chrome/browser/TabTest.java

Index: chrome/android/javatests/src/org/chromium/chrome/browser/TabTest.java
diff --git a/chrome/android/javatests/src/org/chromium/chrome/browser/TabTest.java b/chrome/android/javatests/src/org/chromium/chrome/browser/TabTest.java
index e2475d9c41d696ed6234effc93eb1eedea5ac4f2..63159ccec906204f4c59b202a67390c547131d76 100644
--- a/chrome/android/javatests/src/org/chromium/chrome/browser/TabTest.java
+++ b/chrome/android/javatests/src/org/chromium/chrome/browser/TabTest.java
@@ -4,6 +4,7 @@
 
 package org.chromium.chrome.browser;
 
+import android.app.Activity;
 import android.test.suitebuilder.annotation.SmallTest;
 
 import org.chromium.base.ThreadUtils;
@@ -53,6 +54,16 @@ public class TabTest extends ChromeActivityTestCaseBase<ChromeActivity> {
 
     @SmallTest
     @Feature({"Tab"})
+    public void testTabContext() throws Throwable {
+        assertFalse("The tab context cannot be an activity",
+                mTab.getContentViewCore().getContext() instanceof Activity);
+        assertNotSame("The tab context's theme should have been updated",
+                mTab.getContentViewCore().getContext().getTheme(),
+                getActivity().getApplication().getTheme());
+    }
+
+    @SmallTest
+    @Feature({"Tab"})
     public void testTitleDelayUpdate() throws Throwable {
         final String oldTitle = "oldTitle";
         final String newTitle = "newTitle";