Enable command line arguments for GLES2 CTS.

gpu/gles2_conform_support/gles2_conform_test.cc

Index: gpu/gles2_conform_support/gles2_conform_test.cc
diff --git a/gpu/gles2_conform_support/gles2_conform_test.cc b/gpu/gles2_conform_support/gles2_conform_test.cc
index 1bfac909c0b30a8147d7c5945263e2a6c74f6b05..9b714462626fd46e2cc35ed2c829f6b39000fe33 100644
--- a/gpu/gles2_conform_support/gles2_conform_test.cc
+++ b/gpu/gles2_conform_support/gles2_conform_test.cc
@@ -63,7 +63,10 @@ bool RunGLES2ConformTest(const char* path) {
   base::FilePath program(test_path.Append(FILE_PATH_LITERAL(
       "gles2_conform_test_windowless")));
 
+  CommandLine* currentCmdLine = CommandLine::ForCurrentProcess();
   CommandLine cmdline(program);
+  cmdline.AppendArguments(*currentCmdLine, false);
+  cmdline.AppendSwitch(std::string("--"));
   cmdline.AppendArg(std::string("-run=") + path);
 
   std::string output;
@@ -82,6 +85,7 @@ bool RunGLES2ConformTest(const char* path) {
 
 int main(int argc, char** argv) {
   base::AtExitManager exit_manager;
+  CommandLine::Init(argc, argv);
 #if defined(OS_MACOSX)
   base::mac::ScopedNSAutoreleasePool pool;
 #endif