Generate all extension schema namespaces as "api" and instead vary the generated bundle names.

extensions/browser/api/web_request/web_request_api.cc

Index: extensions/browser/api/web_request/web_request_api.cc
diff --git a/extensions/browser/api/web_request/web_request_api.cc b/extensions/browser/api/web_request/web_request_api.cc
index 1290440886d69568343617a133cb82e086a97464..c130fb48bcb1dc6c2901298857301040f5d94cba 100644
--- a/extensions/browser/api/web_request/web_request_api.cc
+++ b/extensions/browser/api/web_request/web_request_api.cc
@@ -81,7 +81,7 @@ using extensions::WarningSet;
 namespace activitylog = activity_log_web_request_constants;
 namespace helpers = extension_web_request_api_helpers;
 namespace keys = extension_web_request_api_constants;
-namespace web_request = extensions::core_api::web_request;
+namespace web_request = extensions::api::web_request;
 namespace declarative_keys = extensions::declarative_webrequest_constants;
 
 namespace {