Revert of [DevTools] Migrate security handler to new generator.

content/browser/devtools/render_frame_devtools_agent_host.h

Index: content/browser/devtools/render_frame_devtools_agent_host.h
diff --git a/content/browser/devtools/render_frame_devtools_agent_host.h b/content/browser/devtools/render_frame_devtools_agent_host.h
index b17972cd15961272f758956ae7dff7fdc4c0b49d..c9a989f3dd58d4f2f8a60a11230efc865f76a440 100644
--- a/content/browser/devtools/render_frame_devtools_agent_host.h
+++ b/content/browser/devtools/render_frame_devtools_agent_host.h
@@ -41,6 +41,7 @@
 
 namespace devtools {
 namespace input { class InputHandler; }
+namespace security { class SecurityHandler; }
 namespace service_worker { class ServiceWorkerHandler; }
 namespace storage { class StorageHandler; }
 namespace target { class TargetHandler; }
@@ -54,7 +55,6 @@
 class NetworkHandler;
 class PageHandler;
 class SchemaHandler;
-class SecurityHandler;
 class TracingHandler;
 }  // namespace protocol
 
@@ -190,7 +190,7 @@
   std::unique_ptr<protocol::NetworkHandler> network_handler_;
   std::unique_ptr<protocol::PageHandler> page_handler_;
   std::unique_ptr<protocol::SchemaHandler> schema_handler_;
-  std::unique_ptr<protocol::SecurityHandler> security_handler_;
+  std::unique_ptr<devtools::security::SecurityHandler> security_handler_;
   std::unique_ptr<devtools::service_worker::ServiceWorkerHandler>
       service_worker_handler_;
   std::unique_ptr<devtools::storage::StorageHandler>