Revert of [DevTools] Migrate storage domain 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 2b464da880893e21b766379946a9e6d0c8c4c0fd..b17972cd15961272f758956ae7dff7fdc4c0b49d 100644
--- a/content/browser/devtools/render_frame_devtools_agent_host.h
+++ b/content/browser/devtools/render_frame_devtools_agent_host.h
@@ -42,6 +42,7 @@
 namespace devtools {
 namespace input { class InputHandler; }
 namespace service_worker { class ServiceWorkerHandler; }
+namespace storage { class StorageHandler; }
 namespace target { class TargetHandler; }
 }
 
@@ -54,7 +55,6 @@
 class PageHandler;
 class SchemaHandler;
 class SecurityHandler;
-class StorageHandler;
 class TracingHandler;
 }  // namespace protocol
 
@@ -193,7 +193,8 @@
   std::unique_ptr<protocol::SecurityHandler> security_handler_;
   std::unique_ptr<devtools::service_worker::ServiceWorkerHandler>
       service_worker_handler_;
-  std::unique_ptr<protocol::StorageHandler> storage_handler_;
+  std::unique_ptr<devtools::storage::StorageHandler>
+      storage_handler_;
   std::unique_ptr<devtools::target::TargetHandler> target_handler_;
   std::unique_ptr<protocol::TracingHandler> tracing_handler_;
   std::unique_ptr<protocol::EmulationHandler> emulation_handler_;