Rename platform-independent ConstrainedWindow types to WebContentsModalDialog types (part 1)

chrome/browser/ui/cocoa/ssl_client_certificate_selector_cocoa.mm

 // Copyright (c) 2012 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.
 
 #import "chrome/browser/ui/cocoa/ssl_client_certificate_selector_cocoa.h"
 
 #import <SecurityInterface/SFChooseIdentityPanel.h>
 
 #include "base/logging.h"
 #include "base/mac/foundation_util.h"
@@ skipping 102 matching lines @@
       cert = certificates_[index];
     else
       NOTREACHED();
   }
 
   // Finally, tell the backend which identity (or none) the user selected.
   observer_->StopObserving();
   observer_->CertificateSelected(cert);
 
   if (!closePending_)
-    constrainedWindow_->CloseConstrainedWindow();
+    constrainedWindow_->CloseWebContentsModalDialog();
 }
 
 - (void)displayForWebContents:(content::WebContents*)webContents {
   // Create an array of CFIdentityRefs for the certificates:
   size_t numCerts = observer_->cert_request_info()->client_certs.size();
   identities_.reset(CFArrayCreateMutable(
       kCFAllocatorDefault, numCerts, &kCFTypeArrayCallBacks));
   for (size_t i = 0; i < numCerts; ++i) {
     SecCertificateRef cert =
         observer_->cert_request_info()->client_certs[i]->os_cert_handle();
@@ skipping 69 matching lines @@
   // NOOP
 }
 
 - (void)onConstrainedWindowClosed {
   panel_.reset();
   constrainedWindow_.reset();
   [self release];
 }
 
 @end