* Output of `node_modules/.bin/electron --version`: v3.0.10
* Operating System (Platform and Version): Windows 10 x64 (1803  17134.345)
* Output of `node_modules/.bin/electron --version` on last known working Electron version (if applicable):
v3.0.10
**Expected Behavior**
I would like to see the window move across the screen.

**Actual behavior**
The window moves around the screen. But first, the height of the window decreases.

**To Reproduce**
Write simple program that contains code:
`
mainWindow = new BrowserWindow({ width: 370,
		height: 270,
		x: 100,
		y: 100,
		resizable: false,
	 });
`
Start app. Grab the window with the mouse for its title and drag across the screen.

**Additional Information**
This error occurs when explicitly specifying the x, y coordinates of the window and the option "resizable: false".

atom/browser/native_window.cc
void NativeWindow::SetTouchBar(
    const std::vector<mate::PersistentDictionary>& items) {}
void NativeWindow::RefreshTouchBarItem(const std::string& item_id) {}
void NativeWindow::SetEscapeTouchBarItem(
    const mate::PersistentDictionary& item) {}
void NativeWindow::SetAutoHideMenuBar(bool auto_hide) {}
bool NativeWindow::IsMenuBarAutoHide() {
  return false;
}
void NativeWindow::SetMenuBarVisibility(bool visible) {}
bool NativeWindow::IsMenuBarVisible() {
  return true;
}
bool NativeWindow::SetWindowButtonVisibility(bool visible) {
  return false;
}
double NativeWindow::GetAspectRatio() {
  return aspect_ratio_;
}
gfx::Size NativeWindow::GetAspectRatioExtraSize() {
  return aspect_ratio_extraSize_;
}
void NativeWindow::SetAspectRatio(double aspect_ratio,
                                  const gfx::Size& extra_size) {
  aspect_ratio_ = aspect_ratio;
  aspect_ratio_extraSize_ = extra_size;
}
void NativeWindow::PreviewFile(const std::string& path,
                               const std::string& display_name) {}
void NativeWindow::CloseFilePreview() {}