Make NavigationParams clearer

content/renderer/navigation_state_impl.cc

 // 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.
 
 #include "content/renderer/navigation_state_impl.h"
 
 namespace content {
 
 NavigationStateImpl::~NavigationStateImpl() {
 }
 
 NavigationStateImpl* NavigationStateImpl::CreateBrowserInitiated(
     const CommonNavigationParams& common_params,
     const StartNavigationParams& start_params,
-    const HistoryNavigationParams& history_params) {
-  return new NavigationStateImpl(common_params, start_params, history_params,
+    const CommitNavigationParams& commit_params) {
+  return new NavigationStateImpl(common_params, start_params, commit_params,
                                  false);
 }
 
 NavigationStateImpl* NavigationStateImpl::CreateContentInitiated() {
   return new NavigationStateImpl(CommonNavigationParams(),
                                  StartNavigationParams(),
-                                 HistoryNavigationParams(), true);
+                                 CommitNavigationParams(), true);
 }
 
 ui::PageTransition NavigationStateImpl::GetTransitionType() {
   return common_params_.transition;
 }
 
 bool NavigationStateImpl::WasWithinSamePage() {
   return was_within_same_page_;
 }
 
 bool NavigationStateImpl::IsContentInitiated() {
   return is_content_initiated_;
 }
 
 NavigationStateImpl::NavigationStateImpl(
     const CommonNavigationParams& common_params,
     const StartNavigationParams& start_params,
-    const HistoryNavigationParams& history_params,
+    const CommitNavigationParams& commit_params,
     bool is_content_initiated)
     : request_committed_(false),
       was_within_same_page_(false),
       is_content_initiated_(is_content_initiated),
       common_params_(common_params),
       start_params_(start_params),
-      history_params_(history_params) {
+      commit_params_(commit_params) {
 }
 
 }  // namespace content