WebContentsObserver update for PlzNavigate methods

content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java

Index: content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java
diff --git a/content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java b/content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java
index d51e32f303eb6f4bf2248e4e6e07fc28bd275303..68396f45dea6db6b5a71c3195ce2aff1e3e19176 100644
--- a/content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java
+++ b/content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java
@@ -146,8 +146,9 @@ public class ContentViewCore implements AccessibilityStateChangeListener, Displa
         }
 
         @Override
-        public void didNavigateMainFrame(String url, String baseUrl,
-                boolean isNavigationToDifferentPage, boolean isFragmentNavigation, int statusCode) {
+        public void didFinishNavigation(String validatedUrl, boolean isMainFrame,
+                boolean isErrorPage, boolean hasCommitted, boolean isNavigationToDifferentPage,
+                boolean isFragmentNavigation, boolean isReload) {
             if (!isNavigationToDifferentPage) return;
             resetPopupsAndInput();
         }