[WIP] Add DCHECK for mojo::edk::Init().

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 {
     return base::TestSuite(argc, argv).Run();
   }
 
   bool AdjustChildProcessCommandLine(
       base::CommandLine* command_line,
       const base::FilePath& temp_data_dir) override {
     return true;
   }
 
  protected:
   content::ContentMainDelegate* CreateContentMainDelegate() override {
     return new CastMainDelegate();
   }
 
  private:
   DISALLOW_COPY_AND_ASSIGN(CastTestLauncherDelegate);
 };
 
-}  // namespace shell
-}  // namespace chromecast
-
-int main(int argc, char** argv) {
+int LaunchTests(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);
 }
+
+}  // namespace shell
+}  // namespace chromecast