PlzNavigate: Chrome UI changes for new methods of WebContentsObserver

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

 // Copyright 2013 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.graphics.Bitmap;
 import android.view.ContextMenu;
 
 import org.chromium.content_public.browser.LoadUrlParams;
@@ skipping 64 matching lines @@
     @Override
     public void onLoadProgressChanged(Tab tab, int progress) { }
 
     @Override
     public void onUpdateUrl(Tab tab, String url) { }
 
     @Override
     public void onToggleFullscreenMode(Tab tab, boolean enable) { }
 
     @Override
-    public void onDidFailLoad(Tab tab, boolean isProvisionalLoad, boolean isMainFrame,
-            int errorCode, String description, String failingUrl) { }
-
-    @Override
-    public void onDidStartProvisionalLoadForFrame(
-            Tab tab, boolean isMainFrame, String validatedUrl) {}
-
-    @Override
-    public void onDidCommitProvisionalLoadForFrame(Tab tab, long frameId, boolean isMainFrame,
-            String url, int transitionType) { }
-
-    @Override
-    public void onDidNavigateMainFrame(Tab tab, String url, String baseUrl,
-            boolean isNavigationToDifferentPage, boolean isFragmentNavigation, int statusCode) { }
+    public void onDidFailLoad(
+            Tab tab, boolean isMainFrame, int errorCode, String description, String failingUrl) {}
 
     @Override
     public void onDidStartNavigation(
-            Tab tab, String url, boolean isInMainFrame, boolean isErrorPage) {}
+            Tab tab, String url, boolean isInMainFrame, boolean isSamePage, boolean isErrorPage) {}
 
     @Override
     public void onDidFinishNavigation(Tab tab, String url, boolean isInMainFrame,
-            boolean isErrorPage, boolean hasCommitted, boolean isSamePage, Integer pageTransition,
-            int errorCode) {}
+            boolean isErrorPage, boolean hasCommitted, boolean isSamePage,
+            boolean isFragmentNavigation, Integer pageTransition, int errorCode,
+            int httpStatusCode) {}
 
     @Override
     public void didFirstVisuallyNonEmptyPaint(Tab tab) {}
 
     @Override
     public void onDidChangeThemeColor(Tab tab, int color) { }
 
     @Override
     public void onDidAttachInterstitialPage(Tab tab) { }
 
     @Override
     public void onDidDetachInterstitialPage(Tab tab) { }
 
     @Override
-    public void onDidStartNavigationToPendingEntry(Tab tab, String url) { }
-
-    @Override
     public void onBackgroundColorChanged(Tab tab, int color) { }
 
     @Override
     public void webContentsCreated(Tab tab, WebContents sourceWebContents,
             long openerRenderProcessId, long openerRenderFrameId, String frameName,
             String targetUrl, WebContents newWebContents) {}
 
     @Override
     public void onReparentingFinished(Tab tab) { }
 }