Fix LoadDataWithBaseUrlTest#testloadDataWithBaseUrlCallsOnPageStarted with PlzNavigate.

components/navigation_interception/navigation_params_android.cc

 // Copyright (c) 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.
 
 #include "components/navigation_interception/navigation_params_android.h"
 
 #include "base/android/jni_string.h"
 #include "jni/NavigationParams_jni.h"
 
 using base::android::ConvertUTF8ToJavaString;
 using base::android::ScopedJavaLocalRef;
 
 namespace navigation_interception {
 
 base::android::ScopedJavaLocalRef<jobject> CreateJavaNavigationParams(
     JNIEnv* env,
     const NavigationParams& params,
     bool has_user_gesture_carryover) {
+  const GURL& url = params.base_url_for_data_url().is_empty()
+                        ? params.url()
+                        : params.base_url_for_data_url();
+  DCHECK(params.base_url_for_data_url().is_empty() ||
+         params.url().SchemeIs(url::kDataScheme));
   ScopedJavaLocalRef<jstring> jstring_url =
-      ConvertUTF8ToJavaString(env, params.url().spec());
+      ConvertUTF8ToJavaString(env, url.spec());
 
   ScopedJavaLocalRef<jstring> jstring_referrer =
       ConvertUTF8ToJavaString(env, params.referrer().url.spec());
 
   return Java_NavigationParams_create(
       env, jstring_url, jstring_referrer, params.is_post(),
       params.has_user_gesture(), params.transition_type(), params.is_redirect(),
       params.is_external_protocol(), params.is_main_frame(),
       has_user_gesture_carryover);
 }
 
 }  // namespace navigation_interception