[Chromecast] Restore CastDevToolsManagerDelegateTest

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 926b53708410680b680260adc3cf6edc92829d1b..e81e067d62f193c7e928683ecdce88e44d36f3de 100644
--- a/chromecast/app/cast_test_launcher.cc
+++ b/chromecast/app/cast_test_launcher.cc
@@ -6,7 +6,10 @@
 #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 {
@@ -41,5 +44,8 @@ class CastTestLauncherDelegate : public content::TestLauncherDelegate {
 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);
 }