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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
<!-- Is your feature request related to a problem? Please add a clear and concise description of what the problem is. -->

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
<!-- Add any other context about the problem here. -->

shell/browser/api/electron_api_base_window.cc
window_->MoveTop();
}
void BaseWindow::SetTitle(const std::string& title) {
  window_->SetTitle(title);
}
std::string BaseWindow::GetTitle() {
  return window_->GetTitle();
}
void BaseWindow::SetAccessibleTitle(const std::string& title) {
  window_->SetAccessibleTitle(title);
}
std::string BaseWindow::GetAccessibleTitle() {
  return window_->GetAccessibleTitle();
}
void BaseWindow::FlashFrame(bool flash) {
  window_->FlashFrame(flash);
}
void BaseWindow::SetSkipTaskbar(bool skip) {
  window_->SetSkipTaskbar(skip);
}
void BaseWindow::SetExcludedFromShownWindowsMenu(bool excluded) {
  window_->SetExcludedFromShownWindowsMenu(excluded);
}
bool BaseWindow::IsExcludedFromShownWindowsMenu() {
  return window_->IsExcludedFromShownWindowsMenu();
}
void BaseWindow::SetSimpleFullScreen(bool simple_fullscreen) {