[MacViews] Fix behavior of non-resizable windows in fullscreen.

ui/base/test/nswindow_fullscreen_notification_waiter.h

+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef UI_BASE_TEST_NSWINDOW_FULLSCREEN_NOTIFICATION_WAITER_H_
+#define UI_BASE_TEST_NSWINDOW_FULLSCREEN_NOTIFICATION_WAITER_H_
+
+#import <Cocoa/Cocoa.h>
+
+#import "base/mac/scoped_nsobject.h"
+#include "base/memory/scoped_ptr.h"
+#include "base/run_loop.h"
+
+// Waits for fullscreen transitions to complete.
+@interface NSWindowFullscreenNotificationWaiter : NSObject {
+ @private
+  scoped_ptr<base::RunLoop> runLoop_;
+  base::scoped_nsobject<NSWindow> window_;
+  int enterCount_;
+  int exitCount_;
+  int targetEnterCount_;
+  int targetExitCount_;
+}
+
+@property(readonly, nonatomic) int enterCount;
+@property(readonly, nonatomic) int exitCount;
+
+// Initialize for the given window and start tracking notifications.
+- (id)initWithWindow:(NSWindow*)window;
+
+// Keep spinning a run loop until the enter and exit counts match.
+- (void)waitForEnterCount:(int)enterCount exitCount:(int)exitCount;
+
+@end
+
+#endif  // UI_BASE_TEST_NSWINDOW_FULLSCREEN_NOTIFICATION_WAITER_H_