[android_webview] Call onPageFinished for anchor navigations.

content/browser/android/web_contents_observer_android.cc

 // Copyright (c) 2012 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.
 
 #include "content/browser/android/web_contents_observer_android.h"
 
 #include <string>
 
 #include <jni.h>
 
@@ skipping 112 matching lines @@
     const LoadCommittedDetails& details,
     const FrameNavigateParams& params) {
   JNIEnv* env = AttachCurrentThread();
   ScopedJavaLocalRef<jobject> obj(weak_java_observer_.get(env));
   if (obj.is_null())
     return;
   ScopedJavaLocalRef<jstring> jstring_url(
       ConvertUTF8ToJavaString(env, params.url.spec()));
   ScopedJavaLocalRef<jstring> jstring_base_url(
       ConvertUTF8ToJavaString(env, params.base_url.spec()));
-  Java_WebContentsObserverAndroid_didNavigateMainFrame(
+  // See http://crbug.com/251330 for why it's determined this way.
+  bool in_page_navigation =
+      details.type == NAVIGATION_TYPE_IN_PAGE || details.is_in_page;
+  // TODO(mkosiba): delete once downstream rolls.
+  Java_WebContentsObserverAndroid_didNavigateMainFrameV_JLS_JLS_Z(
       env, obj.obj(), jstring_url.obj(), jstring_base_url.obj(),
       details.is_navigation_to_different_page());
+  Java_WebContentsObserverAndroid_didNavigateMainFrameV_JLS_JLS_Z_Z(
+      env, obj.obj(), jstring_url.obj(), jstring_base_url.obj(),
+      details.is_navigation_to_different_page(), in_page_navigation);
 }
 
 void WebContentsObserverAndroid::DidNavigateAnyFrame(
     const LoadCommittedDetails& details,
     const FrameNavigateParams& params) {
   JNIEnv* env = AttachCurrentThread();
   ScopedJavaLocalRef<jobject> obj(weak_java_observer_.get(env));
   if (obj.is_null())
     return;
   ScopedJavaLocalRef<jstring> jstring_url(
@@ skipping 121 matching lines @@
       is_provisional_load,
       is_main_frame,
       error_code,
       jstring_error_description.obj(), jstring_url.obj());
 }
 
 bool RegisterWebContentsObserverAndroid(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 }  // namespace content