Remove web_rtc_offer_options.h

... left over of https://crrev.com/c/1884931.

BUG=787254, 919392
R=haraken@chromium.org

Change-Id: I5742b6938342e25583108b6bc70964b4bbd07a23
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1899787
Commit-Queue: Antonio Gomes <tonikitoo@igalia.com>
Reviewed-by: Kentaro Hara <haraken@chromium.org>
Cr-Commit-Position: refs/heads/master@{#712633}

third_party/blink/public/platform/web_rtc_offer_options.h

-// Copyright 2014 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.
-
-#ifndef THIRD_PARTY_BLINK_PUBLIC_PLATFORM_WEB_RTC_OFFER_OPTIONS_H_
-#define THIRD_PARTY_BLINK_PUBLIC_PLATFORM_WEB_RTC_OFFER_OPTIONS_H_
-
-#include "third_party/blink/public/platform/web_common.h"
-#include "third_party/blink/public/platform/web_private_ptr.h"
-
-namespace blink {
-
-class RTCOfferOptionsPlatform;
-
-class BLINK_PLATFORM_EXPORT WebRTCOfferOptions {
- public:
-  WebRTCOfferOptions(int32_t offer_to_receive_audio,
-                     int32_t offer_to_receive_video,
-                     bool voice_activity_detection,
-                     bool ice_restart);
-  WebRTCOfferOptions(const WebRTCOfferOptions& other) { Assign(other); }
-  ~WebRTCOfferOptions() { Reset(); }
-
-  WebRTCOfferOptions& operator=(const WebRTCOfferOptions& other) {
-    Assign(other);
-    return *this;
-  }
-
-  void Assign(const WebRTCOfferOptions&);
-
-  void Reset();
-  bool IsNull() const { return private_.IsNull(); }
-
-  int32_t OfferToReceiveVideo() const;
-  int32_t OfferToReceiveAudio() const;
-  bool VoiceActivityDetection() const;
-  bool IceRestart() const;
-
-#if INSIDE_BLINK
-  WebRTCOfferOptions(RTCOfferOptionsPlatform*);
-#endif
-
- private:
-  WebPrivatePtr<RTCOfferOptionsPlatform> private_;
-};
-
-}  // namespace blink
-
-#endif  // THIRD_PARTY_BLINK_PUBLIC_PLATFORM_WEB_RTC_OFFER_OPTIONS_H_