Remove onLoadStopped/onLoadStarted from WebContentsDelegateAndroid

chrome/android/java/src/org/chromium/chrome/browser/compositor/bottombar/OverlayPanelContent.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.compositor.bottombar;
 
 import android.text.TextUtils;
 
 import org.chromium.base.VisibleForTesting;
 import org.chromium.base.annotations.CalledByNative;
@@ skipping 114 matching lines @@
             OverlayContentProgressObserver progressObserver, ChromeActivity activity) {
         mNativeOverlayPanelContentPtr = nativeInit();
         mContentDelegate = contentDelegate;
         mProgressObserver = progressObserver;
         mActivity = activity;
 
         mWebContentsDelegate = new WebContentsDelegateAndroid() {
             private boolean mIsFullscreen;
 
             @Override
-            public void onLoadStarted(boolean toDifferentDocument) {
-                super.onLoadStarted(toDifferentDocument);
-                mProgressObserver.onProgressBarStarted();
-            }
-
-            @Override
-            public void onLoadStopped() {
-                super.onLoadStopped();
-                mProgressObserver.onProgressBarFinished();
+            public void loadingStateChanged(boolean toDifferentDocument) {
+                boolean isLoading = mContentViewCore != null
+                        && mContentViewCore.getWebContents() != null
+                        && mContentViewCore.getWebContents().isLoading();
+                if (isLoading) {
+                    mProgressObserver.onProgressBarStarted();
+                } else {
+                    mProgressObserver.onProgressBarFinished();
+                }
             }
 
             @Override
             public void onLoadProgressChanged(int progress) {
-                super.onLoadProgressChanged(progress);
                 mProgressObserver.onProgressBarUpdated(progress);
             }
 
             @Override
             public void toggleFullscreenModeForTab(boolean enterFullscreen) {
                 mIsFullscreen = enterFullscreen;
             }
 
             @Override
             public boolean isFullscreenForTabOrPending() {
@@ skipping 297 matching lines @@
     private native long nativeInit();
     private native void nativeDestroy(long nativeOverlayPanelContent);
     private native void nativeRemoveLastHistoryEntry(
             long nativeOverlayPanelContent, String historyUrl, long urlTimeMs);
     private native void nativeSetWebContents(long nativeOverlayPanelContent,
             WebContents webContents, WebContentsDelegateAndroid delegate);
     private native void nativeDestroyWebContents(long nativeOverlayPanelContent);
     private native void nativeSetInterceptNavigationDelegate(long nativeOverlayPanelContent,
             InterceptNavigationDelegate delegate, WebContents webContents);
 }