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### Preflight Checklist
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* [x] I have read the [Contributing Guidelines](https://github.com/electron/electron/blob/master/CONTRIBUTING.md) for this project.
* [x] I agree to follow the [Code of Conduct](https://github.com/electron/electron/blob/master/CODE_OF_CONDUCT.md) that this project adheres to.
* [x] I have searched the issue tracker for a feature request that matches the one I want to file, without success.

### Problem Description
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BrowserWindow currently offers "moved" event related to moving a window, but it only has "will-resize" and "resize" events. I want to save the current dimensions of a window when its size changes, but "will-resize" and "resize" events get fired at every single pixel change. This results in an unnecessarily large number of saving function calls or a need for debouncing the event.

### Proposed Solution
<!-- Describe the solution you'd like in a clear and concise manner -->

Adding "resized" event to BrowserWindow will solve the problem stated above.

### Alternatives Considered
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### Additional Information
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shell/browser/api/electron_api_base_window.h
std::vector<int> GetMinimumSize();
  void SetMaximumSize(int width, int height);
  std::vector<int> GetMaximumSize();
  void SetSheetOffset(double offsetY, gin_helper::Arguments* args);
  void SetResizable(bool resizable);
  bool IsResizable();
  void SetMovable(bool movable);
  void MoveAbove(const std::string& sourceId, gin_helper::Arguments* args);
  void MoveTop();
  bool IsMovable();
  void SetMinimizable(bool minimizable);
  bool IsMinimizable();
  void SetMaximizable(bool maximizable);
  bool IsMaximizable();
  void SetFullScreenable(bool fullscreenable);
  bool IsFullScreenable();
  void SetClosable(bool closable);
  bool IsClosable();
  void SetAlwaysOnTop(bool top, gin_helper::Arguments* args);
  bool IsAlwaysOnTop();
  void Center();
  void SetPosition(int x, int y, gin_helper::Arguments* args);
  std::vector<int> GetPosition();
  void SetTitle(const std::string& title);
  std::string GetTitle();
  void SetAccessibleTitle(const std::string& title);
  std::string GetAccessibleTitle();
  void FlashFrame(bool flash);
  void SetSkipTaskbar(bool skip);
  void SetExcludedFromShownWindowsMenu(bool excluded);