Extract permission alias info from PermissionsProvider

chrome/common/extensions/permissions/chrome_api_permissions.cc

Index: chrome/common/extensions/permissions/chrome_api_permissions.cc
diff --git a/chrome/common/extensions/permissions/chrome_api_permissions.cc b/chrome/common/extensions/permissions/chrome_api_permissions.cc
index c8f8a8e6a1a398953551000180ea3c2f708ba2a7..0186ee0e805d742558d3dbf472781d6ca1c99418 100644
--- a/chrome/common/extensions/permissions/chrome_api_permissions.cc
+++ b/chrome/common/extensions/permissions/chrome_api_permissions.cc
@@ -18,8 +18,6 @@ namespace extensions {
 
 namespace {
 
-const char kWindowsPermission[] = "windows";
-
 template <typename T>
 APIPermission* CreateAPIPermission(const APIPermissionInfo* permission) {
   return new T(permission);
@@ -264,12 +262,4 @@ ChromeAPIPermissions::GetAllPermissions() const {
   return permissions;
 }
 
-std::vector<PermissionsProvider::AliasInfo>
-ChromeAPIPermissions::GetAllAliases() const {
-  // Register aliases.
-  std::vector<PermissionsProvider::AliasInfo> aliases;
-  aliases.push_back(PermissionsProvider::AliasInfo("tabs", kWindowsPermission));
-  return aliases;
-}
-
 }  // namespace extensions