Log NTP launch time until user can do a search.

chrome/android/java/src/org/chromium/chrome/browser/tab/Tab.java

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.chrome.browser.tab;
 
 import android.annotation.SuppressLint;
 import android.app.Activity;
 import android.app.Application;
 import android.content.Context;
@@ skipping 827 matching lines @@
      * @return The application {@link Context} associated with this tab.
      */
     protected Context getApplicationContext() {
         return mThemedApplicationContext.getApplicationContext();
     }
 
     /**
      * @return {@link ChromeActivity} that currently contains this {@link Tab} in its
      *         {@link TabModel}.
      */
-    ChromeActivity getActivity() {
+    public ChromeActivity getActivity() {
         if (getWindowAndroid() == null) return null;
         Activity activity = WindowAndroid.activityFromContext(
                 getWindowAndroid().getContext().get());
         if (activity instanceof ChromeActivity) return (ChromeActivity) activity;
         return null;
     }
 
     /**
      * @return {@link TabModelSelector} that currently hosts the {@link TabModel} for this
      *         {@link Tab}.
@@ skipping 2340 matching lines @@
     private native void nativeLoadOriginalImage(long nativeTabAndroid);
     private native long nativeGetBookmarkId(long nativeTabAndroid, boolean onlyEditable);
     private native boolean nativeIsOfflinePage(long nativeTabAndroid);
     private native OfflinePageItem nativeGetOfflinePage(long nativeTabAndroid);
     private native void nativeSetInterceptNavigationDelegate(long nativeTabAndroid,
             InterceptNavigationDelegate delegate);
     private native void nativeAttachToTabContentManager(long nativeTabAndroid,
             TabContentManager tabContentManager);
     private native boolean nativeHasPrerenderedUrl(long nativeTabAndroid, String url);
 }