Remove deprecated TabContentsDelegate::OpenURLFromTab variant

content/browser/tab_contents/navigation_controller.h

Index: content/browser/tab_contents/navigation_controller.h
diff --git a/content/browser/tab_contents/navigation_controller.h b/content/browser/tab_contents/navigation_controller.h
index 5d99842f32c90d7a77b492b89eaa3f6b869f471a..3328c0ba168d2b3d748d724d89c3d271af6aa7e8 100644
--- a/content/browser/tab_contents/navigation_controller.h
+++ b/content/browser/tab_contents/navigation_controller.h
@@ -28,6 +28,7 @@ struct ViewHostMsg_FrameNavigate_Params;
 namespace content {
 class BrowserContext;
 struct LoadCommittedDetails;
+struct Referrer;
 }
 
 // A NavigationController maintains the back-forward list for a single tab and
@@ -176,14 +177,14 @@ class CONTENT_EXPORT NavigationController {
   // Loads the specified URL, specifying extra http headers to add to the
   // request.  Extra headers are separated by \n.
   void LoadURL(const GURL& url,
-               const GURL& referrer,
+               const content::Referrer& referrer,
                content::PageTransition type,
                const std::string& extra_headers);
 
   // Same as LoadURL, but for renderer-initiated navigations.  This state is
   // important for tracking whether to display pending URLs.
   void LoadURLFromRenderer(const GURL& url,
-                           const GURL& referrer,
+                           const content::Referrer& referrer,
                            content::PageTransition type,
                            const std::string& extra_headers);
 
@@ -336,7 +337,7 @@ class CONTENT_EXPORT NavigationController {
   // separated by \n.
   static NavigationEntry* CreateNavigationEntry(
       const GURL& url,
-      const GURL& referrer,
+      const content::Referrer& referrer,
       content::PageTransition transition,
       bool is_renderer_initiated,
       const std::string& extra_headers,