Remove CanLoadPage; it's essentially unused, and not compatible with

content/browser/child_process_security_policy_impl.cc

Index: content/browser/child_process_security_policy_impl.cc
diff --git a/content/browser/child_process_security_policy_impl.cc b/content/browser/child_process_security_policy_impl.cc
index bb4a3e217a5a38a496ba7c7d7ea9da9f2ab4284a..25e2dbaa1dfb0e11de491afb929cd76855ae2407 100644
--- a/content/browser/child_process_security_policy_impl.cc
+++ b/content/browser/child_process_security_policy_impl.cc
@@ -214,17 +214,6 @@ class ChildProcessSecurityPolicyImpl::SecurityState {
     return false;
   }
 
-  bool CanLoadPage(const GURL& gurl) {
-    if (origin_lock_.is_empty())
-      return true;
-
-    // TODO(creis): We must pass the valid browser_context to convert hosted
-    // apps URLs.  Currently, hosted apps cannot be loaded in this mode.
-    // See http://crbug.com/160576.
-    GURL site_gurl = SiteInstanceImpl::GetSiteForURL(NULL, gurl);
-    return origin_lock_ == site_gurl;
-  }
-
   bool CanAccessCookiesForOrigin(const GURL& gurl) {
     if (origin_lock_.is_empty())
       return true;