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

chromecast/app/cast_test_launcher.cc

Index: chromecast/app/cast_test_launcher.cc
diff --git a/chromecast/app/cast_test_launcher.cc b/chromecast/app/cast_test_launcher.cc
index e81e067d62f193c7e928683ecdce88e44d36f3de..67f8be4f487ce2695fd00522518948310ab23480 100644
--- a/chromecast/app/cast_test_launcher.cc
+++ b/chromecast/app/cast_test_launcher.cc
@@ -9,7 +9,6 @@
 #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 {
@@ -38,14 +37,12 @@ class CastTestLauncherDelegate : public content::TestLauncherDelegate {
   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