Disable GPU info collection on GPU process startup on Win/Mac.

content/browser/gpu/gpu_data_manager_impl.cc

Index: content/browser/gpu/gpu_data_manager_impl.cc
===================================================================
--- content/browser/gpu/gpu_data_manager_impl.cc	(revision 137174)
+++ content/browser/gpu/gpu_data_manager_impl.cc	(working copy)
@@ -217,6 +217,15 @@
       command_line->AppendSwitch(switches::kReduceGpuSandbox);
       command_line->AppendSwitch(switches::kDisableImageTransportSurface);
     }
+    // Pass GPU and driver information to GPU process. We try to avoid full GPU
+    // info collection at GPU process startup, but we need gpu vendor_id,
+    // device_id, driver_version for crash reporting purpose.
+    command_line->AppendSwitchASCII(switches::kGpuVendorID,

[apatrick_chromium, 2012/05/17 18:44:40]

I think these need to be added to the list of propagated switches in
GpuProcessHost::LaunchGpuProcess

[Zhenyao Mo, 2012/05/17 19:58:40]

Not really.  I didn't add them to browser process's switches.  I directly insert
them for GPU process.

+        base::StringPrintf("0x%04x", gpu_info_.gpu.vendor_id));
+    command_line->AppendSwitchASCII(switches::kGpuDeviceID,
+        base::StringPrintf("0x%04x", gpu_info_.gpu.device_id));
+    command_line->AppendSwitchASCII(switches::kGpuDriverVersion,
+        gpu_info_.driver_version);
   }
 }