Disable texture sharing on AMD switchable via the blacklist.

gpu/config/software_rendering_list_json.cc

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Determines whether certain gpu-related features are blacklisted or not.
 // A valid software_rendering_list.json file are in the format of
 // {
 //   "version": "x.y",
 //   "entries": [
 //     { // entry 1
@@ skipping 70 matching lines @@
 
 #define LONG_STRING_CONST(...) #__VA_ARGS__
 
 namespace gpu {
 
 const char kSoftwareRenderingListJson[] = LONG_STRING_CONST(
 
 {
   "name": "software rendering list",
   // Please update the version number whenever you change this file.
-  "version": "6.3",
+  "version": "6.4",
   "entries": [
     {
       "id": 1,
       "description": "ATI Radeon X1900 is not compatible with WebGL on the Mac.",
       "webkit_bugs": [47028],
       "os": {
         "type": "macosx"
       },
       "vendor_id": "0x1002",
       "device_id": ["0x7249"],
@@ skipping 1018 matching lines @@
       "os": {
         "type": "win"
       },
       "driver_vendor": {
         "op": "=",
         "value": "Microsoft"
       },
       "features": [
         "all"
       ]
+    },
+    {
+      "id": 75,
+      "description": "Texture sharing not supported on AMD Switchable GPUs due to driver issues",
+      "cr_bugs": [117371],
+      "os": {
+        "type": "win"
+      },
+      "multi_gpu_style": "amd_switchable",
+      "features": [
+        "texture_sharing"
+      ]
     }
   ]
 }
 
 );  // LONG_STRING_CONST macro
 
 }  // namespace gpu