fullscreen in apps v2 ShellWindow via app.window.create.

chrome/browser/extensions/api/app_current_window_internal/app_current_window_internal_api.h

Index: chrome/browser/extensions/api/app_current_window_internal/app_current_window_internal_api.h
diff --git a/chrome/browser/extensions/api/app_current_window_internal/app_current_window_internal_api.h b/chrome/browser/extensions/api/app_current_window_internal/app_current_window_internal_api.h
index 83cff7f5558f7c0883808f618b3010870a5c7cc2..110b5eb0e32e2da6f36d445acf610e57c9678d6c 100644
--- a/chrome/browser/extensions/api/app_current_window_internal/app_current_window_internal_api.h
+++ b/chrome/browser/extensions/api/app_current_window_internal/app_current_window_internal_api.h
@@ -33,6 +33,17 @@ class AppCurrentWindowInternalFocusFunction
   virtual bool RunWithWindow(ShellWindow* window) OVERRIDE;
 };
 
+class AppCurrentWindowInternalFullscreenFunction
+    : public AppCurrentWindowInternalExtensionFunction {
+ public:
+  DECLARE_EXTENSION_FUNCTION("app.currentWindowInternal.fullscreen",
+                             APP_CURRENTWINDOWINTERNAL_FULLSCREEN)
+
+ protected:
+  virtual ~AppCurrentWindowInternalFullscreenFunction() {}
+  virtual bool RunWithWindow(ShellWindow* window) OVERRIDE;
+};
+
 class AppCurrentWindowInternalMaximizeFunction
     : public AppCurrentWindowInternalExtensionFunction {
  public: