[Chromecast] Restore CastDevToolsManagerDelegateTest

chromecast/app/cast_test_launcher.cc

 // 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 "base/macros.h"
 #include "base/sys_info.h"
 #include "base/test/test_suite.h"
 #include "chromecast/app/cast_main_delegate.h"
+#include "chromecast/base/cast_paths.h"
 #include "content/public/test/test_launcher.h"
+#include "ipc/ipc_channel.h"
+#include "mojo/edk/embedder/embedder.h"
 
 namespace chromecast {
 namespace shell {
 
 class CastTestLauncherDelegate : public content::TestLauncherDelegate {
  public:
   CastTestLauncherDelegate() {}
   ~CastTestLauncherDelegate() override {}
 
   int RunTestSuite(int argc, char** argv) override {
@@ skipping 14 matching lines @@
  private:
   DISALLOW_COPY_AND_ASSIGN(CastTestLauncherDelegate);
 };
 
 }  // namespace shell
 }  // namespace chromecast
 
 int main(int argc, char** argv) {
   int default_jobs = std::max(1, base::SysInfo::NumberOfProcessors() / 2);
   chromecast::shell::CastTestLauncherDelegate launcher_delegate;
+  chromecast::RegisterPathProvider();
+  mojo::edk::SetMaxMessageSize(IPC::Channel::kMaximumMessageSize);
+  mojo::edk::Init();
   return content::LaunchTests(&launcher_delegate, default_jobs, argc, argv);
 }