API proposal for chrome.app.window to intercept all keys.

extensions/shell/browser/shell_native_app_window.h

Index: extensions/shell/browser/shell_native_app_window.h
diff --git a/extensions/shell/browser/shell_native_app_window.h b/extensions/shell/browser/shell_native_app_window.h
index 8402050acbad3fbf7b7cba9576733a5474a26743..a59dfe8c695aa25b190248df6cf05279a147194b 100644
--- a/extensions/shell/browser/shell_native_app_window.h
+++ b/extensions/shell/browser/shell_native_app_window.h
@@ -59,6 +59,7 @@ class ShellNativeAppWindow : public NativeAppWindow {
       const std::vector<DraggableRegion>& regions) override;
   SkRegion* GetDraggableRegion() override;
   void UpdateShape(scoped_ptr<SkRegion> region) override;
+  void SetInterceptAllKeys(bool want_all_keys) override;
   void HandleKeyboardEvent(
       const content::NativeWebKeyboardEvent& event) override;
   bool IsFrameless() const override;