Add GL strings to CastSysInfo interface and use to configure GPU

content/gpu/gpu_main.cc

Index: content/gpu/gpu_main.cc
diff --git a/content/gpu/gpu_main.cc b/content/gpu/gpu_main.cc
index eebb732a6ecf032403aceece74c2d337e6646900..0e77462df181e641d5a6949345b4e0ea9eb15d9d 100644
--- a/content/gpu/gpu_main.cc
+++ b/content/gpu/gpu_main.cc
@@ -387,6 +387,10 @@ void GetGpuInfoFromCommandLine(gpu::GPUInfo& gpu_info,
       command_line.GetSwitchValueASCII(switches::kGpuDriverVendor);
   gpu_info.driver_version =
       command_line.GetSwitchValueASCII(switches::kGpuDriverVersion);
+  gpu_info.gpu.vendor_string =
+      command_line.GetSwitchValueASCII(switches::kGpuVendorString);
+  gpu_info.gpu.device_string =
+      command_line.GetSwitchValueASCII(switches::kGpuDeviceString);
   GetContentClient()->SetGpuInfo(gpu_info);
 }