Revert of Revert "Remove MediaStreamTrack.getSources()."

third_party/WebKit/Source/modules/mediastream/SourceInfo.cpp

-/*
- * Copyright (C) 2013 Google Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY GOOGLE INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL GOOGLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "modules/mediastream/SourceInfo.h"
-
-#include "wtf/text/WTFString.h"
-
-namespace blink {
-
-SourceInfo* SourceInfo::create(const WebSourceInfo& webSourceInfo) {
-  DCHECK(!webSourceInfo.isNull());
-  return new SourceInfo(webSourceInfo);
-}
-
-SourceInfo::SourceInfo(const WebSourceInfo& webSourceInfo)
-    : m_webSourceInfo(webSourceInfo) {}
-
-String SourceInfo::id() const {
-  return m_webSourceInfo.id();
-}
-
-String SourceInfo::kind() const {
-  switch (m_webSourceInfo.kind()) {
-    case WebSourceInfo::SourceKindAudio:
-      return "audio";
-    case WebSourceInfo::SourceKindVideo:
-      return "video";
-    case WebSourceInfo::SourceKindNone:
-      return "none";
-  }
-
-  NOTREACHED();
-  return String();
-}
-
-String SourceInfo::label() const {
-  return m_webSourceInfo.label();
-}
-
-String SourceInfo::facing() const {
-  switch (m_webSourceInfo.facing()) {
-    case WebSourceInfo::VideoFacingModeNone:
-      return String();
-    case WebSourceInfo::VideoFacingModeUser:
-      return "user";
-    case WebSourceInfo::VideoFacingModeEnvironment:
-      return "environment";
-  }
-
-  NOTREACHED();
-  return String();
-}
-
-}  // namespace blink