Move app.window API implementation to extensions

extensions/browser/api/app_window/app_window_api.h

Index: extensions/browser/api/app_window/app_window_api.h
diff --git a/chrome/browser/extensions/api/app_window/app_window_api.h b/extensions/browser/api/app_window/app_window_api.h
similarity index 73%
rename from chrome/browser/extensions/api/app_window/app_window_api.h
rename to extensions/browser/api/app_window/app_window_api.h
index 164818256d10814b80765b00513b7d6b55de956d..f735a6cd606020c9abc3dee8448f58a5a616f4fc 100644
--- a/chrome/browser/extensions/api/app_window/app_window_api.h
+++ b/extensions/browser/api/app_window/app_window_api.h
@@ -2,15 +2,15 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CHROME_BROWSER_EXTENSIONS_API_APP_WINDOW_APP_WINDOW_API_H_
-#define CHROME_BROWSER_EXTENSIONS_API_APP_WINDOW_APP_WINDOW_API_H_
+#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 "extensions/browser/extension_function.h"
 
 namespace extensions {
 
-namespace api {
+namespace core_api {
 namespace app_window {
 struct CreateWindowOptions;
 }
@@ -27,13 +27,13 @@ class AppWindowCreateFunction : public AsyncExtensionFunction {
 
  private:
   bool GetBoundsSpec(
-      const extensions::api::app_window::CreateWindowOptions& options,
+      const extensions::core_api::app_window::CreateWindowOptions& options,
       AppWindow::CreateParams* params,
       std::string* error);
 
   AppWindow::Frame GetFrameFromString(const std::string& frame_string);
   bool GetFrameOptions(
-      const extensions::api::app_window::CreateWindowOptions& options,
+      const extensions::core_api::app_window::CreateWindowOptions& options,
       AppWindow::CreateParams* create_params);
   void UpdateFrameOptionsForChannel(AppWindow::CreateParams* create_params);
 
@@ -42,4 +42,4 @@ class AppWindowCreateFunction : public AsyncExtensionFunction {
 
 }  // namespace extensions
 
-#endif  // CHROME_BROWSER_EXTENSIONS_API_APP_WINDOW_APP_WINDOW_API_H_
+#endif  // EXTENSIONS_BROWSER_API_APP_WINDOW_APP_WINDOW_API_H_