Revert of Bind Application in renderer

content/browser/mojo/mojo_shell_client_host.cc

-// Copyright 2015 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 "base/thread_task_runner_handle.h"
-#include "content/browser/mojo/mojo_shell_client_host.h"
-#include "content/common/mojo/mojo_messages.h"
-#include "content/public/common/mojo_shell_connection.h"
-#include "ipc/ipc_sender.h"
-#include "mojo/application/public/cpp/application_impl.h"
-#include "mojo/converters/network/network_type_converters.h"
-#include "mojo/shell/application_manager.mojom.h"
-#include "third_party/mojo/src/mojo/edk/embedder/embedder.h"
-#include "third_party/mojo/src/mojo/edk/embedder/platform_channel_pair.h"
-#include "third_party/mojo/src/mojo/edk/embedder/scoped_platform_handle.h"
-
-namespace content {
-namespace {
-void DidCreateChannel(mojo::embedder::ChannelInfo* info) {}
-
-base::PlatformFile PlatformFileFromScopedPlatformHandle(
-    mojo::embedder::ScopedPlatformHandle handle) {
-#if defined(OS_POSIX)
-  return handle.release().fd;
-#elif defined(OS_WIN)
-  return handle.release().handle;
-#endif
-}
-
-}  // namespace
-
-void RegisterChildWithExternalShell(int child_process_id,
-                                    base::ProcessHandle process_handle,
-                                    IPC::Sender* sender) {
-  // Some process types get created before the main message loop.
-  if (!MojoShellConnection::Get())
-    return;
-
-  // Create the channel to be shared with the target process.
-  mojo::embedder::HandlePassingInformation handle_passing_info;
-  mojo::embedder::PlatformChannelPair platform_channel_pair;
-
-  // Give one end to the shell so that it can create an instance.
-  mojo::embedder::ScopedPlatformHandle platform_channel =
-      platform_channel_pair.PassServerHandle();
-  mojo::ScopedMessagePipeHandle handle(mojo::embedder::CreateChannel(
-      platform_channel.Pass(), base::Bind(&DidCreateChannel),
-      base::ThreadTaskRunnerHandle::Get()));
-  mojo::shell::mojom::ApplicationManagerPtr application_manager;
-  MojoShellConnection::Get()->GetApplication()->ConnectToService(
-      mojo::URLRequest::From(std::string("mojo:shell")),
-      &application_manager);
-  // The content of the URL/qualifier we pass is actually meaningless, it's only
-  // important that they're unique per process.
-  // TODO(beng): We need to specify a restrictive CapabilityFilter here that
-  //             matches the needs of the target process. Figure out where that
-  //             specification is best determined (not here, this is a common
-  //             chokepoint for all process types) and how to wire it through.
-  //             http://crbug.com/555393
-  application_manager->CreateInstanceForHandle(
-      mojo::ScopedHandle(mojo::Handle(handle.release().value())),
-      "exe:chrome_renderer",  // See above about how this string is meaningless.
-      base::IntToString(child_process_id));
-
-  // Send the other end to the child via Chrome IPC.
-  base::PlatformFile client_file = PlatformFileFromScopedPlatformHandle(
-      platform_channel_pair.PassClientHandle());
-  sender->Send(new MojoMsg_BindControllerHandle(
-      IPC::GetFileHandleForProcess(client_file, process_handle, true)));
-}
-
-}  // namespace content