Add different error codes for getUserMedia.

chrome/browser/media/media_stream_infobar_delegate.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/media/media_stream_infobar_delegate.h"
 
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/google/google_util.h"
@@ skipping 29 matching lines @@
   scoped_ptr<MediaStreamDevicesController> controller(
       new MediaStreamDevicesController(web_contents, request, callback));
   if (controller->DismissInfoBarAndTakeActionOnSettings())
     return false;
 
   InfoBarService* infobar_service =
       InfoBarService::FromWebContents(web_contents);
   if (!infobar_service) {
     // Deny the request if there is no place to show the infobar, e.g. when
     // the request comes from a background extension page.
-    controller->Deny(false);
+    controller->Deny(false, content::MEDIA_DEVICE_INVALID_STATE);
     return false;
   }
 
   scoped_ptr<InfoBar> infobar(ConfirmInfoBarDelegate::CreateInfoBar(
       scoped_ptr<ConfirmInfoBarDelegate>(
           new MediaStreamInfoBarDelegate(controller.Pass()))));
   for (size_t i = 0; i < infobar_service->infobar_count(); ++i) {
     InfoBar* old_infobar = infobar_service->infobar_at(i);
     if (old_infobar->delegate()->AsMediaStreamInfoBarDelegate()) {
       infobar_service->ReplaceInfoBar(old_infobar, infobar.Pass());
@@ skipping 10 matching lines @@
       controller_(controller.Pass()) {
   DCHECK(controller_.get());
   DCHECK(controller_->HasAudio() || controller_->HasVideo());
 }
 
 void MediaStreamInfoBarDelegate::InfoBarDismissed() {
   // Deny the request if the infobar was closed with the 'x' button, since
   // we don't want WebRTC to be waiting for an answer that will never come.
   UMA_HISTOGRAM_ENUMERATION("Media.DevicePermissionActions",
                             kCancel, kPermissionActionsMax);
-  controller_->Deny(false);
+  controller_->Deny(false, content::MEDIA_DEVICE_PERMISSION_DISMISSED);
 }
 
 int MediaStreamInfoBarDelegate::GetIconID() const {
   return controller_->HasVideo() ?
       IDR_INFOBAR_MEDIA_STREAM_CAMERA : IDR_INFOBAR_MEDIA_STREAM_MIC;
 }
 
 InfoBarDelegate::Type MediaStreamInfoBarDelegate::GetInfoBarType() const {
   return PAGE_ACTION_TYPE;
 }
@@ skipping 28 matching lines @@
     UMA_HISTOGRAM_ENUMERATION("Media.DevicePermissionActions",
                               kAllowHttp, kPermissionActionsMax);
   }
   controller_->Accept(true);
   return true;
 }
 
 bool MediaStreamInfoBarDelegate::Cancel() {
   UMA_HISTOGRAM_ENUMERATION("Media.DevicePermissionActions",
                             kDeny, kPermissionActionsMax);
-  controller_->Deny(true);
+  controller_->Deny(true, content::MEDIA_DEVICE_PERMISSION_DENIED);
   return true;
 }
 
 base::string16 MediaStreamInfoBarDelegate::GetLinkText() const {
   return l10n_util::GetStringUTF16(IDS_LEARN_MORE);
 }
 
 bool MediaStreamInfoBarDelegate::LinkClicked(
     WindowOpenDisposition disposition) {
   web_contents()->OpenURL(content::OpenURLParams(
       google_util::AppendGoogleLocaleParam(
           GURL(chrome::kMediaAccessLearnMoreUrl)),
       content::Referrer(),
       (disposition == CURRENT_TAB) ? NEW_FOREGROUND_TAB : disposition,
       content::PAGE_TRANSITION_LINK,
       false));
 
   return false;  // Do not dismiss the info bar.
 }