MacViews: Remove constrained window dependencies for certificate viewer.

chrome/browser/ui/cocoa/certificate_viewer_mac_cocoa.h

Index: chrome/browser/ui/cocoa/certificate_viewer_mac_cocoa.h
diff --git a/chrome/browser/ui/cocoa/certificate_viewer_mac_cocoa.h b/chrome/browser/ui/cocoa/certificate_viewer_mac_cocoa.h
new file mode 100644
index 0000000000000000000000000000000000000000..5d53bc60f4a2f5eb2b901625e7bc006168d64659
--- /dev/null
+++ b/chrome/browser/ui/cocoa/certificate_viewer_mac_cocoa.h
@@ -0,0 +1,27 @@
+// Copyright 2016 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_CERTIFICATE_VIEWER_MAC_COCOA_H_
+#define CHROME_BROWSER_UI_COCOA_CERTIFICATE_VIEWER_MAC_COCOA_H_
+
+#import <Cocoa/Cocoa.h>
+
+#include <memory>
+
+#import "chrome/browser/ui/cocoa/certificate_viewer_mac.h"
+
+class ConstrainedWindowMac;
+class SSLCertificateViewerCocoaBridge;
+
+// Certificate viewer class for the Mac Cocoa build which handles displaying and
+// closing the Cocoa certificate viewer.
+@interface SSLCertificateViewerCocoa : SSLCertificateViewerMac
+
+// Returns the invisible overlay window used to block interaction with the tab,
+// but not the entire browser.
+- (NSWindow*)overlayWindow;
+
+@end
+
+#endif  // CHROME_BROWSER_UI_COCOA_CERTIFICATE_VIEWER_MAC_COCOA_H_