Move chrome-specific SerializedNavigation code to chrome/.

components/sessions/core/serialized_navigation_entry.h

Index: components/sessions/core/serialized_navigation_entry.h
diff --git a/components/sessions/core/serialized_navigation_entry.h b/components/sessions/core/serialized_navigation_entry.h
index 3a8e665ff02e256d5e8ab330a1ccef226e3c4813..51171b4984f237f681d8ba23c676ea037d890843 100644
--- a/components/sessions/core/serialized_navigation_entry.h
+++ b/components/sessions/core/serialized_navigation_entry.h
@@ -88,20 +88,15 @@ class SESSIONS_EXPORT SerializedNavigationEntry {
 
   // Accessors for some fields taken from NavigationEntry.
   int unique_id() const { return unique_id_; }
-  const GURL& virtual_url() const { return virtual_url_; }
   const base::string16& title() const { return title_; }
-  const std::string& encoded_page_state() const { return encoded_page_state_; }
   const base::string16& search_terms() const { return search_terms_; }
   const GURL& favicon_url() const { return favicon_url_; }
   int http_status_code() const { return http_status_code_; }
-  const GURL& referrer_url() const { return referrer_url_; }
-  int referrer_policy() const { return referrer_policy_; }
   ui::PageTransition transition_type() const {
     return transition_type_;
   }
   bool has_post_data() const { return has_post_data_; }
   int64_t post_id() const { return post_id_; }
-  const GURL& original_request_url() const { return original_request_url_; }
   bool is_overriding_user_agent() const { return is_overriding_user_agent_; }
   base::Time timestamp() const { return timestamp_; }
 
@@ -115,6 +110,29 @@ class SESSIONS_EXPORT SerializedNavigationEntry {
     password_state_ = password_state;
   }
 
+  const GURL& virtual_url() const { return virtual_url_; }
+  void set_virtual_url(const GURL& virtual_url) { virtual_url_ = virtual_url; }
+
+  const std::string& encoded_page_state() const { return encoded_page_state_; }
+  void set_encoded_page_state(const std::string& encoded_page_state) {
+    encoded_page_state_ = encoded_page_state;
+  }
+
+  const GURL& original_request_url() const { return original_request_url_; }
+  void set_original_request_url(const GURL& original_request_url) {
+    original_request_url_ = original_request_url;
+  }
+
+  const GURL& referrer_url() const { return referrer_url_; }
+  void set_referrer_url(const GURL& referrer_url) {
+    referrer_url_ = referrer_url;
+  }
+
+  int referrer_policy() const { return referrer_policy_; }
+  void set_referrer_policy(int referrer_policy) {
+    referrer_policy_ = referrer_policy;
+  }
+
   std::set<std::string> content_pack_categories() const {
     return content_pack_categories_;
   }
@@ -132,7 +150,6 @@ class SESSIONS_EXPORT SerializedNavigationEntry {
 
  private:
   friend class ContentSerializedNavigationBuilder;
-  friend class ContentSerializedNavigationDriver;
   friend class SerializedNavigationEntryTestHelper;
   friend class IOSSerializedNavigationBuilder;
   friend class IOSSerializedNavigationDriver;