Revert 130496 - Disable image transport surface on AMD GPUs

content/gpu/gpu_info_collector_win.cc

Index: content/gpu/gpu_info_collector_win.cc
===================================================================
--- content/gpu/gpu_info_collector_win.cc	(revision 131375)
+++ content/gpu/gpu_info_collector_win.cc	(working copy)
@@ -336,22 +336,6 @@
         if (result == ERROR_SUCCESS)
           driver_date = WideToASCII(std::wstring(value));
 
-        std::string driver_vendor;
-        dwcb_data = sizeof(value);
-        result = RegQueryValueExW(
-            key, L"ProviderName", NULL, NULL,
-            reinterpret_cast<LPBYTE>(value), &dwcb_data);
-        if (result == ERROR_SUCCESS) {
-          driver_vendor = WideToASCII(std::wstring(value));
-          // If it's an Intel GPU with a driver provided by AMD then it's
-          // probably AMD's Dynamic Switchable Graphics.
-          // TODO: detect only AMD switchable
-          gpu_info->amd_switchable =
-              driver_vendor == "Advanced Micro Devices, Inc." ||
-              driver_vendor == "ATI Technologies Inc.";
-        }
-
-        gpu_info->driver_vendor = driver_vendor;
         gpu_info->driver_version = driver_version;
         gpu_info->driver_date = driver_date;
         found = true;