platformKeys: Hook up the certificate selection dialog to selectClientCertificates.

chrome/browser/extensions/api/platform_keys/platform_keys_api.cc

 // 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.
 
 #include "chrome/browser/extensions/api/platform_keys/platform_keys_api.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/logging.h"
@@ skipping 140 matching lines @@
   for (const std::vector<char>& cert_authority :
        params->details.request.certificate_authorities) {
     request.certificate_authorities.push_back(
         std::string(cert_authority.begin(), cert_authority.end()));
   }
 
   service->SelectClientCertificates(
       request, params->details.interactive, extension_id(),
       base::Bind(&PlatformKeysInternalSelectClientCertificatesFunction::
                      OnSelectedCertificates,
-                 this));
+                 this),
+      GetAssociatedWebContents());
   return RespondLater();
 }
 
 void PlatformKeysInternalSelectClientCertificatesFunction::
     OnSelectedCertificates(scoped_ptr<net::CertificateList> matches,
                            const std::string& error_message) {
   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
   if (!error_message.empty()) {
     Respond(Error(error_message));
     return;
@@ skipping 84 matching lines @@
     const std::string& error_message) {
   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
   if (error_message.empty())
     Respond(ArgumentList(api_pki::Sign::Results::Create(
         std::vector<char>(signature.begin(), signature.end()))));
   else
     Respond(Error(error_message));
 }
 
 }  // namespace extensions