refactor: remove InspectableWebContentsViewMac in favor of the Views version (#41326)

shell/browser/ui/cocoa/electron_ns_window.mm

@@ -200,6 +200,11 @@ void SwizzleSwipeWithEvent(NSView* view, SEL swiz_selector) {
 }
 
 - (NSRect)constrainFrameRect:(NSRect)frameRect toScreen:(NSScreen*)screen {
+  // We initialize the window in headless mode to allow painting before it is
+  // shown, but we don't want the headless behavior of allowing the window to be
+  // placed unconstrained.
+  self.isHeadless = false;
+
   // Resizing is disabled.
   if (electron::ScopedDisableResize::IsResizeDisabled())
     return [self frame];