Extensions: Remove PermissionMessage (permission_message.h/cc)

extensions/common/permissions/permission_message_util.h

Index: extensions/common/permissions/permission_message_util.h
diff --git a/extensions/common/permissions/permission_message_util.h b/extensions/common/permissions/permission_message_util.h
index 995d22663e8051c867b50233eceb996c03e20ded..fc006d7c85ccdc555b074f1f25d4bdf8d6df0590 100644
--- a/extensions/common/permissions/permission_message_util.h
+++ b/extensions/common/permissions/permission_message_util.h
@@ -13,7 +13,6 @@
 
 namespace extensions {
 class PermissionIDSet;
-class PermissionMessage;
 class URLPatternSet;
 }
 
@@ -23,20 +22,11 @@ enum PermissionMessageProperties { kReadOnly, kReadWrite };
 
 // Get a list of hosts to display in a permission message from the given list of
 // hosts from the manifest.
-// TODO(sashab): Merge this into AddHostPermissions() once CreateFromHostList()
-// is deprecated.
+// TODO(sashab): Merge this into AddHostPermissions().
 std::vector<base::string16> GetHostListFromHosts(
     const std::set<std::string>& hosts,
     PermissionMessageProperties properties);
 
-// Creates the corresponding permission message for a list of hosts.
-// The messages change depending on how many hosts are present, and whether
-// |read_only| is true.
-// TODO(sashab): Deprecate this, prefer AddHostPermissions() instead.
-extensions::PermissionMessage CreateFromHostList(
-    const std::set<std::string>& hosts,
-    PermissionMessageProperties);
-
 // Adds the appropriate permissions from given hosts to |permissions|.
 void AddHostPermissions(extensions::PermissionIDSet* permissions,
                         const std::set<std::string>& hosts,