Collect as much GPU information as possible without creating a GL/D3D context...

chrome/gpu/gpu_info_collector_mac.mm

Index: chrome/gpu/gpu_info_collector_mac.mm
===================================================================
--- chrome/gpu/gpu_info_collector_mac.mm	(revision 75345)
+++ chrome/gpu/gpu_info_collector_mac.mm	(working copy)
@@ -52,12 +52,21 @@
   return CollectGraphicsInfoGL(gpu_info);
 }
 
+bool CollectPreliminaryGraphicsInfo(GPUInfo* gpu_info) {
+  DCHECK(gpu_info);
+
+  gpu_info->SetLevel(GPUInfo::kPartial);
+
+  bool rt = true;
+  if (!CollectVideoCardInfo(gpu_info))
+    rt = false;
+
+  return rt;
+}
+
 bool CollectVideoCardInfo(GPUInfo* gpu_info) {
   DCHECK(gpu_info);
 
-  if (gfx::GetGLImplementation() != gfx::kGLImplementationDesktopGL)
-    return false;
-
   UInt32 vendor_id = 0, device_id = 0;
   io_registry_entry_t dsp_port = CGDisplayIOServicePort(kCGDirectMainDisplay);
   CFTypeRef vendor_id_ref = SearchPortForProperty(dsp_port, CFSTR("vendor-id"));