PlzNavigate: Chrome UI changes for new methods of WebContentsObserver

chrome/android/java/src/org/chromium/chrome/browser/webapps/FullScreenActivity.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.webapps;
 
 import android.content.Intent;
 import android.util.Pair;
 import android.view.View;
 import android.view.ViewGroup;
@@ skipping 151 matching lines @@
             mWebContentsObserver.destroy();
             mWebContentsObserver = null;
         }
 
         mWebContents = webContents;
         if (mWebContents == null) return;
 
         ContentViewCore.fromWebContents(webContents).setFullscreenRequiredForOrientationLock(false);
         mWebContentsObserver = new WebContentsObserver(webContents) {
             @Override
-            public void didCommitProvisionalLoadForFrame(
-                    long frameId, boolean isMainFrame, String url, int transitionType) {
-                if (!isMainFrame) return;
-                // Notify the renderer to permanently hide the top controls since they do
-                // not apply to fullscreen content views.
-                mTab.updateBrowserControlsState(mTab.getBrowserControlsStateConstraints(), true);
+            public void didFinishNavigation(String url, boolean isInMainFrame, boolean isErrorPage,
+                    boolean hasCommitted, boolean isSamePage, boolean isFragmentNavigation,
+                    Integer pageTransition, int errorCode, int httpStatusCode) {
+                if (hasCommitted && isInMainFrame) {
+                    // Notify the renderer to permanently hide the top controls since they do
+                    // not apply to fullscreen content views.
+                    mTab.updateBrowserControlsState(
+                            mTab.getBrowserControlsStateConstraints(), true);
+                }
             }
         };
     }
 
     /**
      * @return {@link TabDelegateFactory} to be used while creating the associated {@link Tab}.
      */
     protected TabDelegateFactory createTabDelegateFactory() {
         return new FullScreenDelegateFactory();
     }
@@ skipping 12 matching lines @@
             mTab.goBack();
             return true;
         }
         return false;
     }
 
     @Override
     public void onCheckForUpdate(boolean updateAvailable) {
     }
 }