Change NavigationController::LoadURL to take a Referrer class instead of a GURL as referrer

chrome/browser/safe_browsing/safe_browsing_blocking_page_unittest.cc

Index: chrome/browser/safe_browsing/safe_browsing_blocking_page_unittest.cc
diff --git a/chrome/browser/safe_browsing/safe_browsing_blocking_page_unittest.cc b/chrome/browser/safe_browsing/safe_browsing_blocking_page_unittest.cc
index c398aa18ebe4ed09801ca294382380e97a8032f8..10be2d4db6f12c0c692807ca4fdf7b1ec3a72262 100644
--- a/chrome/browser/safe_browsing/safe_browsing_blocking_page_unittest.cc
+++ b/chrome/browser/safe_browsing/safe_browsing_blocking_page_unittest.cc
@@ -189,8 +189,8 @@ TEST_F(SafeBrowsingBlockingPageTest, MalwarePageDontProceed) {
   profile->GetPrefs()->SetBoolean(prefs::kSafeBrowsingReportingEnabled, true);
 
   // Start a load.
-  controller().LoadURL(GURL(kBadURL), GURL(), content::PAGE_TRANSITION_TYPED,
-                       std::string());
+  controller().LoadURL(GURL(kBadURL), content::Referrer(),
+                       content::PAGE_TRANSITION_TYPED, std::string());
 
 
   // Simulate the load causing a safe browsing interstitial to be shown.
@@ -222,8 +222,8 @@ TEST_F(SafeBrowsingBlockingPageTest, MalwarePageProceed) {
   profile->GetPrefs()->SetBoolean(prefs::kSafeBrowsingReportingEnabled, true);
 
   // Start a load.
-  controller().LoadURL(GURL(kBadURL), GURL(), content::PAGE_TRANSITION_TYPED,
-                       std::string());
+  controller().LoadURL(GURL(kBadURL), content::Referrer(),
+                       content::PAGE_TRANSITION_TYPED, std::string());
 
   // Simulate the load causing a safe browsing interstitial to be shown.
   ShowInterstitial(false, kBadURL);
@@ -467,8 +467,8 @@ TEST_F(SafeBrowsingBlockingPageTest, NavigatingBackAndForth) {
   Navigate(kGoodURL, 1);
 
   // Now navigate to a bad page triggerring an interstitial.
-  controller().LoadURL(GURL(kBadURL), GURL(), content::PAGE_TRANSITION_TYPED,
-                       std::string());
+  controller().LoadURL(GURL(kBadURL), content::Referrer(),
+                       content::PAGE_TRANSITION_TYPED, std::string());
   ShowInterstitial(false, kBadURL);
   SafeBrowsingBlockingPage* sb_interstitial = GetSafeBrowsingBlockingPage();
   ASSERT_TRUE(sb_interstitial);
@@ -511,8 +511,8 @@ TEST_F(SafeBrowsingBlockingPageTest, ProceedThenDontProceed) {
   profile->GetPrefs()->SetBoolean(prefs::kSafeBrowsingReportingEnabled, true);
 
   // Start a load.
-  controller().LoadURL(GURL(kBadURL), GURL(), content::PAGE_TRANSITION_TYPED,
-                       std::string());
+  controller().LoadURL(GURL(kBadURL), content::Referrer(),
+                       content::PAGE_TRANSITION_TYPED, std::string());
 
   // Simulate the load causing a safe browsing interstitial to be shown.
   ShowInterstitial(false, kBadURL);
@@ -545,8 +545,8 @@ TEST_F(SafeBrowsingBlockingPageTest, MalwareReportsDisabled) {
   profile->GetPrefs()->SetBoolean(prefs::kSafeBrowsingReportingEnabled, false);
 
   // Start a load.
-  controller().LoadURL(GURL(kBadURL), GURL(), content::PAGE_TRANSITION_TYPED,
-                       std::string());
+  controller().LoadURL(GURL(kBadURL), content::Referrer(),
+                       content::PAGE_TRANSITION_TYPED, std::string());
 
   // Simulate the load causing a safe browsing interstitial to be shown.
   ShowInterstitial(false, kBadURL);
@@ -577,8 +577,8 @@ TEST_F(SafeBrowsingBlockingPageTest, MalwareReports) {
   profile->GetPrefs()->SetBoolean(prefs::kSafeBrowsingReportingEnabled, false);
 
   // Start a load.
-  controller().LoadURL(GURL(kBadURL), GURL(), content::PAGE_TRANSITION_TYPED,
-                       std::string());
+  controller().LoadURL(GURL(kBadURL), content::Referrer(),
+                       content::PAGE_TRANSITION_TYPED, std::string());
 
   // Simulate the load causing a safe browsing interstitial to be shown.
   ShowInterstitial(false, kBadURL);