Work around MacOSX driver bug related with glGetFragDataLocation.

gpu/config/gpu_driver_bug_list_json.cc

Index: gpu/config/gpu_driver_bug_list_json.cc
diff --git a/gpu/config/gpu_driver_bug_list_json.cc b/gpu/config/gpu_driver_bug_list_json.cc
index 4d73ec2c8bfa5afdad032614f70a3692f97d4f98..096cf5328899779c9766a37cc5e89b6e32d72830 100644
--- a/gpu/config/gpu_driver_bug_list_json.cc
+++ b/gpu/config/gpu_driver_bug_list_json.cc
@@ -19,7 +19,7 @@ const char kGpuDriverBugListJson[] = LONG_STRING_CONST(
 {
   "name": "gpu driver bug list",
   // Please update the version number whenever you change this file.
-  "version": "8.82",
+  "version": "8.83",
   "entries": [
     {
       "id": 1,
@@ -1899,6 +1899,17 @@ LONG_STRING_CONST(
       "features": [
         "gl_clear_broken"
       ]
+    },
+    {
+      "id": 177,
+      "description": "glGetFragData{Location|Index} works incorrectly on Max",
+      "cr_bugs": [638340],
+      "os": {
+        "type": "macosx"
+      },
+      "features": [
+        "get_frag_data_info_bug"
+      ]
     }
   ]
 }