CustomTabs: Base version for prerender switch

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

 // Copyright 2015 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.customtabs;
 
 import android.app.PendingIntent;
 import android.content.Context;
 import android.content.Intent;
 import android.content.SharedPreferences;
@@ skipping 378 matching lines @@
     }
 
     @Override
     public void finishNativeInitialization() {
         if (!mIntentDataProvider.isInfoPage()) FirstRunSignInProcessor.start(this);
 
         final CustomTabsConnection connection = CustomTabsConnection.getInstance(getApplication());
         // If extra headers have been passed, cancel any current prerender, as
         // prerendering doesn't support extra headers.
         if (IntentHandler.getExtraHeadersFromIntent(getIntent()) != null) {
-            connection.cancelPrerender(mSession);
+            connection.cancelSpeculation(mSession);
         }
 
         getTabModelSelector().getModel(false).addObserver(mTabModelObserver);
 
         boolean successfulStateRestore = false;
         // Attempt to restore the previous tab state if applicable.
         if (getSavedInstanceState() != null) {
             assert mMainTab == null;
             getTabModelSelector().loadState(true);
             getTabModelSelector().restoreTabs(true);
@@ skipping 684 matching lines @@
         Intent intent = ChromeLauncherActivity.createCustomTabActivityIntent(
                 context, customTabIntent.intent, false);
         intent.setPackage(context.getPackageName());
         intent.putExtra(CustomTabIntentDataProvider.EXTRA_IS_INFO_PAGE, true);
         intent.putExtra(Browser.EXTRA_APPLICATION_ID, context.getPackageName());
         IntentHandler.addTrustedIntentExtras(intent);
 
         context.startActivity(intent);
     }
 }