Move detached files from web/ to (core/modules)/exported.

third_party/WebKit/Source/web/WebMediaDeviceChangeObserver.cpp

-// Copyright 2016 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 "public/web/WebMediaDeviceChangeObserver.h"
-
-#include "core/dom/Document.h"
-#include "modules/mediastream/MediaDevices.h"
-#include "platform/weborigin/SecurityOrigin.h"
-#include "public/platform/WebSecurityOrigin.h"
-
-namespace blink {
-
-WebMediaDeviceChangeObserver::WebMediaDeviceChangeObserver()
-    : private_(nullptr) {}
-
-WebMediaDeviceChangeObserver::WebMediaDeviceChangeObserver(bool unused)
-    : private_(MediaDevices::Create(Document::Create())) {}
-
-WebMediaDeviceChangeObserver::WebMediaDeviceChangeObserver(
-    const WebMediaDeviceChangeObserver& other) {
-  Assign(other);
-}
-
-WebMediaDeviceChangeObserver& WebMediaDeviceChangeObserver::operator=(
-    const WebMediaDeviceChangeObserver& other) {
-  Assign(other);
-  return *this;
-}
-
-WebMediaDeviceChangeObserver::WebMediaDeviceChangeObserver(
-    MediaDevices* observer)
-    : private_(observer) {}
-
-WebMediaDeviceChangeObserver::~WebMediaDeviceChangeObserver() {
-  Reset();
-}
-
-bool WebMediaDeviceChangeObserver::IsNull() const {
-  return private_.IsNull();
-}
-
-void WebMediaDeviceChangeObserver::DidChangeMediaDevices() {
-  if (private_.IsNull())
-    return;
-
-  private_->DidChangeMediaDevices();
-}
-
-WebSecurityOrigin WebMediaDeviceChangeObserver::GetSecurityOrigin() const {
-  if (private_.IsNull())
-    return WebSecurityOrigin();
-
-  return WebSecurityOrigin(
-      private_->GetExecutionContext()->GetSecurityOrigin());
-}
-
-void WebMediaDeviceChangeObserver::Assign(
-    const WebMediaDeviceChangeObserver& other) {
-  private_ = other.private_;
-}
-
-void WebMediaDeviceChangeObserver::Reset() {
-  private_.Reset();
-}
-
-}  // namespace blink