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

chrome/browser/sessions/session_types_unittest.cc

Index: chrome/browser/sessions/session_types_unittest.cc
diff --git a/chrome/browser/sessions/session_types_unittest.cc b/chrome/browser/sessions/session_types_unittest.cc
index 831ebbb878ff6b417cdb0034bd95ce136d3e2368..f60b165e8d60a356f23ed73e4144456645827e14 100644
--- a/chrome/browser/sessions/session_types_unittest.cc
+++ b/chrome/browser/sessions/session_types_unittest.cc
@@ -64,7 +64,7 @@ TEST(SessionTab, FromSyncData) {
   ASSERT_EQ(5u, tab.navigations.size());
   for (int i = 0; i < 5; ++i) {
     EXPECT_EQ(i, tab.navigations[i].index());
-    EXPECT_EQ(GURL("referrer"), tab.navigations[i].referrer().url);
+    EXPECT_EQ(GURL("referrer"), tab.navigations[i].referrer_url());
     EXPECT_EQ(base::ASCIIToUTF16("title"),tab.navigations[i].title());
     EXPECT_EQ(ui::PAGE_TRANSITION_TYPED,
               tab.navigations[i].transition_type());