MacViews: Get chrome/browser/ui/views/frame to compile

chrome/browser/ui/views/frame/browser_command_handler_x11.h

Index: chrome/browser/ui/views/frame/browser_command_handler_x11.h
diff --git a/chrome/browser/ui/views/frame/browser_command_handler_x11.h b/chrome/browser/ui/views/frame/browser_command_handler_x11.h
index 0542401e8eeb618c0c5616eb968f36b22c2c8c45..e412c45fd7396c195301c2117e92c42f746ae2c8 100644
--- a/chrome/browser/ui/views/frame/browser_command_handler_x11.h
+++ b/chrome/browser/ui/views/frame/browser_command_handler_x11.h
@@ -6,12 +6,13 @@
 #define CHROME_BROWSER_UI_VIEWS_FRAME_BROWSER_COMMAND_HANDLER_X11_H_
 
 #include "ui/events/event_handler.h"
+#include "ui/gfx/native_widget_types.h"
 
 class Browser;
 
 class BrowserCommandHandlerX11 : public ui::EventHandler {
  public:
-  explicit BrowserCommandHandlerX11(Browser* browser);
+  BrowserCommandHandlerX11(Browser* browser, gfx::NativeWindow window);
   ~BrowserCommandHandlerX11() override;
 
  private:
@@ -19,6 +20,7 @@ class BrowserCommandHandlerX11 : public ui::EventHandler {
   void OnMouseEvent(ui::MouseEvent* event) override;
 
   Browser* browser_;
+  gfx::NativeWindow window_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserCommandHandlerX11);
 };