Don't auto allow access to media devices unless a the security origin of the requester is the same …

chrome/browser/media/chrome_media_stream_infobar_browsertest.cc

 // Copyright 2013 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 "base/command_line.h"
 #include "base/files/file_util.h"
 #include "base/strings/stringprintf.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/infobars/infobar_service.h"
 #include "chrome/browser/media/media_stream_devices_controller.h"
@@ skipping 47 matching lines @@
         "files/webrtc/webrtc_jsep01_test.html";
     return test_server()->GetURL(kMainWebrtcTestHtmlPage);
   }
 
   // Denies getUserMedia requests (audio, video) for the test page.
   // The deny setting is sticky.
   void DenyRequest(content::WebContents* tab_contents,
                    content::MediaStreamRequestResult result) const {
     const std::string no_id;
     content::MediaStreamRequest request(
-        0, 0, 0, test_page_url().GetOrigin(), false,
+        0, 0, 0, std::string(), test_page_url().GetOrigin(), false,
         content::MEDIA_DEVICE_ACCESS, no_id, no_id,
         content::MEDIA_DEVICE_AUDIO_CAPTURE,
         content::MEDIA_DEVICE_VIDEO_CAPTURE);
 
     scoped_ptr<MediaStreamDevicesController> controller(
         new MediaStreamDevicesController(tab_contents, request,
             base::Bind(&OnMediaStreamResponse)));
     controller->Deny(true, result);
   }
 
@@ skipping 126 matching lines @@
 IN_PROC_BROWSER_TEST_F(MediaStreamInfoBarTest,
                        DenyingCameraDoesNotCauseStickyDenyForMics) {
   content::WebContents* tab_contents = LoadTestPageInTab();
 
   // If camera blocking also blocked mics, the second call here would hang.
   GetUserMediaWithSpecificConstraintsAndDeny(tab_contents,
                                              kVideoOnlyCallConstraints);
   GetUserMediaWithSpecificConstraintsAndAccept(tab_contents,
                                                kAudioOnlyCallConstraints);
 }