[Android] Fix new tab not to show 'about:blank' at the beginning

content/browser/android/web_contents_observer_android.cc

Index: content/browser/android/web_contents_observer_android.cc
diff --git a/content/browser/android/web_contents_observer_android.cc b/content/browser/android/web_contents_observer_android.cc
index 8b2fdd35df8af2d0439d259ced67cdc8eca15346..68bf11ddba54df394f1bb92fab4c9af5c674a782 100644
--- a/content/browser/android/web_contents_observer_android.cc
+++ b/content/browser/android/web_contents_observer_android.cc
@@ -335,6 +335,20 @@ void WebContentsObserverAndroid::DidFirstVisuallyNonEmptyPaint() {
       env, obj.obj());
 }
 
+void WebContentsObserverAndroid::DidStartNavigationToPendingEntry(
+    const GURL& url,
+    NavigationController::ReloadType reload_type) {
+  JNIEnv* env = AttachCurrentThread();
+  ScopedJavaLocalRef<jobject> obj(weak_java_observer_.get(env));
+  if (obj.is_null())
+    return;
+  ScopedJavaLocalRef<jstring> jstring_url(
+      ConvertUTF8ToJavaString(env, url.spec()));
+
+  Java_WebContentsObserver_didStartNavigationToPendingEntry(
+      env, obj.obj(), jstring_url.obj(), reload_type);
+}
+
 bool RegisterWebContentsObserverAndroid(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }