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

components/sessions/serialized_navigation_entry_test_helper.cc

Index: components/sessions/serialized_navigation_entry_test_helper.cc
diff --git a/components/sessions/serialized_navigation_entry_test_helper.cc b/components/sessions/serialized_navigation_entry_test_helper.cc
index 313fb773cd49197d2699ff7804cb2ff08c5eebb3..d8c8356637e26351728cc2be494ab0af03478382 100644
--- a/components/sessions/serialized_navigation_entry_test_helper.cc
+++ b/components/sessions/serialized_navigation_entry_test_helper.cc
@@ -17,11 +17,11 @@ namespace sessions {
 void SerializedNavigationEntryTestHelper::ExpectNavigationEquals(
     const SerializedNavigationEntry& expected,
     const SerializedNavigationEntry& actual) {
-  EXPECT_EQ(expected.referrer_.url, actual.referrer_.url);
-  EXPECT_EQ(expected.referrer_.policy, actual.referrer_.policy);
+  EXPECT_EQ(expected.referrer_url_, actual.referrer_url_);
+  EXPECT_EQ(expected.referrer_policy_, actual.referrer_policy_);
   EXPECT_EQ(expected.virtual_url_, actual.virtual_url_);
   EXPECT_EQ(expected.title_, actual.title_);
-  EXPECT_EQ(expected.page_state_, actual.page_state_);
+  EXPECT_EQ(expected.encoded_page_state_, actual.encoded_page_state_);
   EXPECT_EQ(expected.transition_type_, actual.transition_type_);
   EXPECT_EQ(expected.has_post_data_, actual.has_post_data_);
   EXPECT_EQ(expected.original_request_url_, actual.original_request_url_);
@@ -35,13 +35,11 @@ SerializedNavigationEntry SerializedNavigationEntryTestHelper::CreateNavigation(
     const std::string& title) {
   SerializedNavigationEntry navigation;
   navigation.index_ = 0;
-  navigation.referrer_ =
-      content::Referrer(GURL("http://www.referrer.com"),
-                        blink::WebReferrerPolicyDefault);
+  navigation.referrer_url_ = GURL("http://www.referrer.com");
+  navigation.referrer_policy_ = blink::WebReferrerPolicyDefault;
   navigation.virtual_url_ = GURL(virtual_url);
   navigation.title_ = base::UTF8ToUTF16(title);
-  navigation.page_state_ =
-      content::PageState::CreateFromEncodedData("fake_state");
+  navigation.encoded_page_state_ = "fake state";
   navigation.timestamp_ = base::Time::Now();
   navigation.http_status_code_ = 200;
   return navigation;
@@ -51,7 +49,7 @@ SerializedNavigationEntry SerializedNavigationEntryTestHelper::CreateNavigation(
 void SerializedNavigationEntryTestHelper::SetPageState(
     const content::PageState& page_state,
     SerializedNavigationEntry* navigation) {
-  navigation->page_state_ = page_state;
+  navigation->encoded_page_state_ = page_state.ToEncodedData();
 }
 
 // static