Revert of [Presentation API] (5th) (1-UA) integrate controller and receiver side for 1-UA messaging

chrome/browser/media/router/browser_presentation_connection_proxy.cc

-// Copyright 2017 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/router/browser_presentation_connection_proxy.h"
-
-#include "chrome/browser/media/router/media_router.h"
-#include "content/public/common/presentation_constants.h"
-
-namespace {
-
-// TODO(crbug.com/632623): remove this function when we finish typemaps for
-// presentation.mojom.
-std::unique_ptr<content::PresentationConnectionMessage>
-PresentationConnectionMessageFromMojo(
-    blink::mojom::ConnectionMessagePtr input) {
-  std::unique_ptr<content::PresentationConnectionMessage> output;
-  if (input.is_null())
-    return output;
-
-  switch (input->type) {
-    case blink::mojom::PresentationMessageType::TEXT: {
-      // Return nullptr content::PresentationSessionMessage if invalid (unset
-      // |message|, set |data|, or size too large).
-      if (input->data || !input->message ||
-          input->message->size() >
-              content::kMaxPresentationConnectionMessageSize)
-        return output;
-
-      output.reset(new content::PresentationConnectionMessage(
-          content::PresentationMessageType::TEXT));
-      output->message = std::move(input->message.value());
-      return output;
-    }
-    case blink::mojom::PresentationMessageType::BINARY: {
-      // Return nullptr content::PresentationSessionMessage if invalid (unset
-      // |data|, set |message|, or size too large).
-      if (!input->data || input->message ||
-          input->data->size() > content::kMaxPresentationConnectionMessageSize)
-        return output;
-
-      output.reset(new content::PresentationConnectionMessage(
-          content::PresentationMessageType::BINARY));
-      output->data.reset(
-          new std::vector<uint8_t>(std::move(input->data.value())));
-      return output;
-    }
-  }
-
-  NOTREACHED() << "Invalid presentation message type " << input->type;
-  return output;
-}
-
-}  // namespace
-
-namespace media_router {
-
-BrowserPresentationConnectionProxy::BrowserPresentationConnectionProxy(
-    MediaRouter* router,
-    const MediaRoute::Id& route_id,
-    blink::mojom::PresentationConnectionRequest receiver_connection_request,
-    blink::mojom::PresentationConnectionPtr controller_connection_ptr)
-    : router_(router),
-      route_id_(route_id),
-      binding_(this),
-      target_connection_ptr_(std::move(controller_connection_ptr)) {
-  DCHECK(router);
-  DCHECK(target_connection_ptr_);
-
-  binding_.Bind(std::move(receiver_connection_request));
-  target_connection_ptr_->DidChangeState(
-      content::PRESENTATION_CONNECTION_STATE_CONNECTED);
-}
-
-BrowserPresentationConnectionProxy::~BrowserPresentationConnectionProxy() {}
-
-void BrowserPresentationConnectionProxy::OnMessage(
-    blink::mojom::ConnectionMessagePtr connection_message,
-    const OnMessageCallback& on_message_callback) {
-  DVLOG(2) << "BrowserPresentationConnectionProxy::OnMessage";
-  DCHECK(!connection_message.is_null());
-
-  auto message =
-      PresentationConnectionMessageFromMojo(std::move(connection_message));
-
-  if (message->is_binary()) {
-    router_->SendRouteBinaryMessage(route_id_, std::move(message->data),
-                                    on_message_callback);
-  } else {
-    router_->SendRouteMessage(route_id_, message->message, on_message_callback);
-  }
-}
-
-}  // namespace media_router