Better distinguish didFinishLoad and didStopLoading

chrome/android/java/src/org/chromium/chrome/browser/tab/TabObserver.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.view.ContextMenu;
 
 import org.chromium.chrome.browser.TabLoadStatus;
 import org.chromium.content.browser.ContentViewCore;
@@ skipping 155 matching lines @@
     void onWebContentsInstantSupportDisabled();
 
     // WebContentsDelegateAndroid methods ---------------------------------------------------------
 
     /**
      * Called when the WebContents starts loading. Different from
      * {@link #onPageLoadStarted(Tab, String)}, if the user is navigated to a different url while
      * staying in the same html document, {@link #onLoadStarted(Tab)} will be called, while
      * {@link #onPageLoadStarted(Tab, String)} will not.
      * @param tab The notifying {@link Tab}.
+     * @param toDifferentDocument Whether this navigation will transition between
+     * documents (i.e., not a fragment navigation or JS History API call).
      */
-    void onLoadStarted(Tab tab);
+    void onLoadStarted(Tab tab, boolean toDifferentDocument);
 
     /**
      * Called when the contents loading stops.
      * @param tab The notifying {@link Tab}.
      */
-    void onLoadStopped(Tab tab);
+    void onLoadStopped(Tab tab, boolean toDifferentDocument);
 
     /**
      * Called when the load progress of a {@link Tab} changes.
      * @param tab      The notifying {@link Tab}.
      * @param progress The new progress from [0,100].
      */
     void onLoadProgressChanged(Tab tab, int progress);
 
     /**
      * Called when the URL of a {@link Tab} changes.
@@ skipping 112 matching lines @@
      * @param tab                 The notifying {@link Tab}.
      * @param sourceWebContents   The {@link WebContents} that triggered the creation.
      * @param openerRenderFrameId The opener render frame id.
      * @param frameName           The name of the frame.
      * @param targetUrl           The target url.
      * @param newWebContents      The newly created {@link WebContents}.
      */
     public void webContentsCreated(Tab tab, WebContents sourceWebContents, long openerRenderFrameId,
             String frameName, String targetUrl, WebContents newWebContents);
 }