[MacViews] Implement size constraints for app windows.

chrome/browser/ui/cocoa/apps/nswindow_util.h

Index: chrome/browser/ui/cocoa/apps/nswindow_util.h
diff --git a/chrome/browser/ui/cocoa/apps/nswindow_util.h b/chrome/browser/ui/cocoa/apps/nswindow_util.h
new file mode 100644
index 0000000000000000000000000000000000000000..3785acbc11e1159b01e5619e4faa757e220a352d
--- /dev/null
+++ b/chrome/browser/ui/cocoa/apps/nswindow_util.h
@@ -0,0 +1,14 @@
+// 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 CHROME_BROWSER_UI_COCOA_APPS_NSWINDOW_UTIL_H_
+#define CHROME_BROWSER_UI_COCOA_APPS_NSWINDOW_UTIL_H_
+
+#import <Cocoa/Cocoa.h>
+
+void SetFullScreenCollectionBehavior(NSWindow* window, bool allow_fullscreen);
+
+void SetResizableStyleMask(NSWindow* window, bool resizable);
+
+#endif  // CHROME_BROWSER_UI_COCOA_APPS_NSWINDOW_UTIL_H_