Remove deprecated TabContentsDelegate::OpenURLFromTab variant

content/browser/tab_contents/navigation_controller.cc

Index: content/browser/tab_contents/navigation_controller.cc
diff --git a/content/browser/tab_contents/navigation_controller.cc b/content/browser/tab_contents/navigation_controller.cc
index 383a1ecd9e406955e683089f14f848f6de7b88e5..66dacc67c21617018997b419bc7e834b48affe4f 100644
--- a/content/browser/tab_contents/navigation_controller.cc
+++ b/content/browser/tab_contents/navigation_controller.cc
@@ -223,7 +223,8 @@ bool NavigationController::IsInitialNavigation() {
 
 // static
 NavigationEntry* NavigationController::CreateNavigationEntry(
-    const GURL& url, const GURL& referrer, content::PageTransition transition,
+    const GURL& url, const content::Referrer& referrer,
+    content::PageTransition transition,
     bool is_renderer_initiated, const std::string& extra_headers,
     content::BrowserContext* browser_context) {
   // Allow the browser URL handler to rewrite the URL. This will, for example,
@@ -472,7 +473,8 @@ void NavigationController::RemoveEntryAtIndex(int index,
     } else {
       // If there is nothing to show, show a default page.
       LoadURL(default_url.is_empty() ? GURL("about:blank") : default_url,
-              GURL(), content::PAGE_TRANSITION_START_PAGE, std::string());
+              content::Referrer(), content::PAGE_TRANSITION_START_PAGE,
+              std::string());
     }
   }
 }
@@ -499,7 +501,7 @@ void NavigationController::AddTransientEntry(NavigationEntry* entry) {
 
 void NavigationController::LoadURL(
     const GURL& url,
-    const GURL& referrer,
+    const content::Referrer& referrer,
     content::PageTransition transition,
     const std::string& extra_headers) {
   // The user initiated a load, we don't need to reload anymore.
@@ -515,7 +517,7 @@ void NavigationController::LoadURL(
 
 void NavigationController::LoadURLFromRenderer(
     const GURL& url,
-    const GURL& referrer,
+    const content::Referrer& referrer,
     content::PageTransition transition,
     const std::string& extra_headers) {
   // The user initiated a load, we don't need to reload anymore.