Extract NativeAppWindow from src/extensions

extensions/browser/api/app_window/app_window_api.h

Index: extensions/browser/api/app_window/app_window_api.h
diff --git a/extensions/browser/api/app_window/app_window_api.h b/extensions/browser/api/app_window/app_window_api.h
index f735a6cd606020c9abc3dee8448f58a5a616f4fc..823948ab3858f7ea47262274db1be539d2cf2046 100644
--- a/extensions/browser/api/app_window/app_window_api.h
+++ b/extensions/browser/api/app_window/app_window_api.h
@@ -5,7 +5,7 @@
 #ifndef EXTENSIONS_BROWSER_API_APP_WINDOW_APP_WINDOW_API_H_
 #define EXTENSIONS_BROWSER_API_APP_WINDOW_APP_WINDOW_API_H_
 
-#include "extensions/browser/app_window/app_window.h"
+#include "components/native_app_window/app_window_create_params.h"
 #include "extensions/browser/extension_function.h"
 
 namespace extensions {
@@ -28,14 +28,15 @@ class AppWindowCreateFunction : public AsyncExtensionFunction {
  private:
   bool GetBoundsSpec(
       const extensions::core_api::app_window::CreateWindowOptions& options,
-      AppWindow::CreateParams* params,
+      native_app_window::AppWindowCreateParams* params,
       std::string* error);
 
-  AppWindow::Frame GetFrameFromString(const std::string& frame_string);
+  native_app_window::Frame GetFrameFromString(const std::string& frame_string);
   bool GetFrameOptions(
       const extensions::core_api::app_window::CreateWindowOptions& options,
-      AppWindow::CreateParams* create_params);
-  void UpdateFrameOptionsForChannel(AppWindow::CreateParams* create_params);
+      native_app_window::AppWindowCreateParams* create_params);
+  void UpdateFrameOptionsForChannel(
+      native_app_window::AppWindowCreateParams* create_params);
 
   bool inject_html_titlebar_;
 };