[MacViews] Implement size constraints for app windows.

chrome/browser/ui/cocoa/apps/native_app_window_cocoa.mm

Index: chrome/browser/ui/cocoa/apps/native_app_window_cocoa.mm
diff --git a/chrome/browser/ui/cocoa/apps/native_app_window_cocoa.mm b/chrome/browser/ui/cocoa/apps/native_app_window_cocoa.mm
index 95b1c8ac900bae6ce19b795c0208eccda0e1638c..2833a1ec5caab33049ef6100ca61c12a0489d031 100644
--- a/chrome/browser/ui/cocoa/apps/native_app_window_cocoa.mm
+++ b/chrome/browser/ui/cocoa/apps/native_app_window_cocoa.mm
@@ -11,6 +11,7 @@
 #include "base/strings/sys_string_conversions.h"
 #include "chrome/browser/apps/app_shim/extension_app_shim_handler_mac.h"
 #include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/ui/cocoa/apps/nswindow_util.h"
 #include "chrome/browser/ui/cocoa/browser_window_utils.h"
 #import "chrome/browser/ui/cocoa/chrome_event_processing_window.h"
 #include "chrome/browser/ui/cocoa/extensions/extension_keybinding_registry_cocoa.h"
@@ -50,15 +51,6 @@ using extensions::AppWindow;
 
 namespace {
 
-void SetFullScreenCollectionBehavior(NSWindow* window, bool allow_fullscreen) {
-  NSWindowCollectionBehavior behavior = [window collectionBehavior];
-  if (allow_fullscreen)
-    behavior |= NSWindowCollectionBehaviorFullScreenPrimary;
-  else
-    behavior &= ~NSWindowCollectionBehaviorFullScreenPrimary;
-  [window setCollectionBehavior:behavior];
-}
-
 void SetWorkspacesCollectionBehavior(NSWindow* window, bool always_visible) {
   NSWindowCollectionBehavior behavior = [window collectionBehavior];
   if (always_visible)