Make NavigationParams clearer

content/renderer/navigation_state_impl.h

Index: content/renderer/navigation_state_impl.h
diff --git a/content/renderer/navigation_state_impl.h b/content/renderer/navigation_state_impl.h
index d6b4e05b8309278a96b633019bc88b1eb560fd04..bc2f4569ecb61737d8f04a07e6a255a1ec7741b7 100644
--- a/content/renderer/navigation_state_impl.h
+++ b/content/renderer/navigation_state_impl.h
@@ -19,7 +19,7 @@ class CONTENT_EXPORT NavigationStateImpl : public NavigationState {
   static NavigationStateImpl* CreateBrowserInitiated(
       const CommonNavigationParams& common_params,
       const StartNavigationParams& start_params,
-      const HistoryNavigationParams& history_params);
+      const CommitNavigationParams& commit_params);
 
   static NavigationStateImpl* CreateContentInitiated();
 
@@ -30,9 +30,7 @@ class CONTENT_EXPORT NavigationStateImpl : public NavigationState {
 
   const CommonNavigationParams& common_params() const { return common_params_; }
   const StartNavigationParams& start_params() const { return start_params_; }
-  const HistoryNavigationParams& history_params() const {
-    return history_params_;
-  }
+  const CommitNavigationParams& commit_params() const { return commit_params_; }
   bool request_committed() const { return request_committed_; }
   void set_request_committed(bool value) { request_committed_ = value; }
   void set_was_within_same_page(bool value) { was_within_same_page_ = value; }
@@ -44,7 +42,7 @@ class CONTENT_EXPORT NavigationStateImpl : public NavigationState {
  private:
   NavigationStateImpl(const CommonNavigationParams& common_params,
                       const StartNavigationParams& start_params,
-                      const HistoryNavigationParams& history_params,
+                      const CommitNavigationParams& commit_params,
                       bool is_content_initiated);
 
   bool request_committed_;
@@ -67,7 +65,7 @@ class CONTENT_EXPORT NavigationStateImpl : public NavigationState {
   // swaps because FrameLoader::loadWithNavigationAction treats loads before a
   // FrameLoader has committedFirstRealDocumentLoad as a replacement. (Added for
   // http://crbug.com/178380).
-  const HistoryNavigationParams history_params_;
+  const CommitNavigationParams commit_params_;
 
   DISALLOW_COPY_AND_ASSIGN(NavigationStateImpl);
 };