Fixes the bug where the user is using a platform for which the Media Stream

chrome/browser/chrome_content_browser_client.cc

 // 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.
 
 #include "chrome/browser/chrome_content_browser_client.h"
 
 #include <set>
 #include <utility>
 #include <vector>
 
@@ skipping 1097 matching lines @@
     infobar_helper->ReplaceInfoBar(old_infobar, infobar);
   else
     infobar_helper->AddInfoBar(infobar);
 #elif defined(OS_LINUX) || defined(OS_MACOSX)
   // TODO(macourteau): UI is not implemented yet for Linux and OS X. Fallback to
   // the default behaviour and allow access to the first device of each
   // requested type.
   content::MediaStreamDevices devices;
   for (content::MediaStreamDeviceMap::const_iterator it =
        request->devices.begin(); it != request->devices.end(); ++it) {
-    devices.push_back(*it->second.begin());
+    if (it->second.size() > 0) {

[Alexei Svitkine (slow), 2012/03/01 15:48:23]

Check !it->second.empty() instead. Also, you don't need the braces.

[macourteau, 2012/03/01 15:52:21]

Done.

+      devices.push_back(*it->second.begin());
+    }
   }
 
   callback.Run(devices);
 #endif  // TOOLKIT_VIEWS
 }
 
 void ChromeContentBrowserClient::RequestDesktopNotificationPermission(
     const GURL& source_origin,
     int callback_context,
     int render_process_id,
@@ skipping 405 matching lines @@
 #if defined(USE_NSS)
 crypto::CryptoModuleBlockingPasswordDelegate*
     ChromeContentBrowserClient::GetCryptoPasswordDelegate(
         const GURL& url) {
   return browser::NewCryptoModuleBlockingDialogDelegate(
       browser::kCryptoModulePasswordKeygen, url.host());
 }
 #endif
 
 }  // namespace chrome