Rewrites SerializedNavigationEntry to not have any //content member variables.

chrome/browser/sessions/session_service_unittest.cc

Index: chrome/browser/sessions/session_service_unittest.cc
diff --git a/chrome/browser/sessions/session_service_unittest.cc b/chrome/browser/sessions/session_service_unittest.cc
index edbedbe034f1b204ecfad2e4f883f670965e0ad3..9e11086ac62e29a53265174f3364a0fa42b0f6f0 100644
--- a/chrome/browser/sessions/session_service_unittest.cc
+++ b/chrome/browser/sessions/session_service_unittest.cc
@@ -822,7 +822,8 @@ TEST_F(SessionServiceTest, RemovePostDataWithPasswords) {
 
   // Expected: the HTTP body was removed from the page state of the POST
   // navigation with passwords.
-  EXPECT_NE(page_state, windows[0]->tabs[0]->navigations[0].page_state());
+  EXPECT_NE(page_state.ToEncodedData(),
+            windows[0]->tabs[0]->navigations[0].encoded_page_state());
 }
 
 // This test is only applicable to chromeos.