Update from chromium https://crrev.com/304586

gpu/config/gpu_driver_bug_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 a certain driver bug exists in the current system.
 // The format of a valid gpu_driver_bug_list.json file is defined in
 // <gpu/config/gpu_control_list_format.txt>.
 // The supported "features" can be found in
 // <gpu/config/gpu_driver_bug_workaround_type.h>.
 
 #include "gpu/config/gpu_control_list_jsons.h"
 
 #define LONG_STRING_CONST(...) #__VA_ARGS__
 
 namespace gpu {
 
 const char kGpuDriverBugListJson[] = LONG_STRING_CONST(
 
 {
   "name": "gpu driver bug list",
   // Please update the version number whenever you change this file.
-  "version": "7.7",
+  "version": "7.9",
   "entries": [
     {
       "id": 1,
       "description": "Imagination driver doesn't like uploading lots of buffer data constantly",
       "os": {
         "type": "android"
       },
       "gl_vendor": "Imagination.*",
       "features": [
         "use_client_side_arrays_for_stream_buffers"
@@ skipping 875 matching lines @@
           "op": "<=",
           "value": "4.4.4"
         }
       },
       "gl_vendor": "Broadcom.*",
       "features": [
         "disable_egl_khr_fence_sync"
       ]
     },
     {
-      "id": 79,
-      "cr_bugs": [371530],
-      "description": "Testing ARB sync fences is broken on MacOSX",
-      "os": {
-        "type": "macosx"
-      },
-      "features": [
-        "disable_arb_sync"
-      ]
-    },
-    {
       "id": 82,
       "description": "PBO mappings segfault on certain older Qualcomm drivers",
       "cr_bugs": [394510],
       "os": {
         "type": "android",
         "version": {
           "op": "<",
           "value": "4.3"
         }
       },
@@ skipping 100 matching lines @@
       "gl_vendor": "VMware.*",
       "gl_renderer": "Gallium.*",
       "gl_type": "gles",
       "gl_version": {
         "op": "=",
         "value": "3.0"
       },
       "features": [
         "disable_async_readpixels"
       ]
+    },
+    {
+      "id": 94,
+      "description": "Disable EGL_KHR_wait_sync on NVIDIA with GLES 3.1",
+      "cr_bugs": [433057],
+      "os": {
+        "type": "android",
+        "version": {
+          "op": "<=",
+          "value": "5.0.0"
+        }
+      },
+      "gl_vendor": "NVIDIA.*",
+      "gl_type": "gles",
+      "gl_version": {
+        "op": "=",
+        "value": "3.1"
+      },
+      "features": [
+        "disable_egl_khr_wait_sync"
+      ]
+    },
+    {
+      "id": 95,
+      "cr_bugs": [421271],
+      "description": "glClear does not always work on these drivers",
+      "os": {
+        "type": "android"
+      },
+      "gl_type": "gles",
+      "gl_version": {
+        "op": "<",
+        "value": "3.0"
+      },
+      "gl_vendor": "Imagination.*",
+      "features": [
+        "gl_clear_broken"
+      ]
     }
   ]
 }
 
 );  // LONG_STRING_CONST macro
 
 }  // namespace gpu