Implement StructTraits for various cc and gpu types

gpu/command_buffer/common/unittest_main.cc

Index: gpu/command_buffer/common/unittest_main.cc
diff --git a/gpu/command_buffer/common/unittest_main.cc b/gpu/command_buffer/common/unittest_main.cc
index 6e907d5053392a4f94333a237bfc8626eb2d6fc0..caed0bf008eb7ff116fb1b3a50cbb172ca10e454 100644
--- a/gpu/command_buffer/common/unittest_main.cc
+++ b/gpu/command_buffer/common/unittest_main.cc
@@ -5,8 +5,11 @@
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/test/launcher/unit_test_launcher.h"
+#include "base/test/test_io_thread.h"
 #include "base/test/test_suite.h"
 #include "build/build_config.h"
+#include "mojo/edk/embedder/embedder.h"        // nogncheck
+#include "mojo/edk/test/scoped_ipc_support.h"  // nogncheck
 
 #if defined(OS_ANDROID)
 #include "gpu/ipc/client/android/in_process_surface_texture_manager.h"
@@ -45,6 +48,12 @@ int main(int argc, char** argv) {
   base::CommandLine::Init(argc, argv);
   GpuTestSuite test_suite(argc, argv);
 
+  mojo::edk::Init();
+  base::TestIOThread test_io_thread(base::TestIOThread::kAutoStart);
+  std::unique_ptr<mojo::edk::test::ScopedIPCSupport> ipc_support;
+  ipc_support.reset(
+      new mojo::edk::test::ScopedIPCSupport(test_io_thread.task_runner()));
+
   return base::LaunchUnitTests(
       argc, argv,
       base::Bind(&base::TestSuite::Run, base::Unretained(&test_suite)));