Introduce content::PageState

content/browser/web_contents/navigation_entry_impl.cc

Index: content/browser/web_contents/navigation_entry_impl.cc
diff --git a/content/browser/web_contents/navigation_entry_impl.cc b/content/browser/web_contents/navigation_entry_impl.cc
index b904acf70361a45078c0613a5a1d1413756e55ea..23c90e9d9b40981dfff69576cb7581c2420e95e1 100644
--- a/content/browser/web_contents/navigation_entry_impl.cc
+++ b/content/browser/web_contents/navigation_entry_impl.cc
@@ -135,12 +135,12 @@ const string16& NavigationEntryImpl::GetTitle() const {
   return title_;
 }
 
-void NavigationEntryImpl::SetContentState(const std::string& state) {
-  content_state_ = state;
+void NavigationEntryImpl::SetPageState(const PageState& state) {
+  page_state_ = state;
 }
 
-const std::string& NavigationEntryImpl::GetContentState() const {
-  return content_state_;
+const PageState& NavigationEntryImpl::GetPageState() const {
+  return page_state_;
 }
 
 void NavigationEntryImpl::SetPageID(int page_id) {