gpu: Enable WebGL on Mali-400 GPUs that support EXT_robustness

gpu/config/software_rendering_list_json.cc

Index: gpu/config/software_rendering_list_json.cc
diff --git a/gpu/config/software_rendering_list_json.cc b/gpu/config/software_rendering_list_json.cc
index 806eb9dbf5ba28cf10cd661b2b4e7ba6bcb084d1..41373a1055a1c203abe560fbe32495c88ca8169f 100644
--- a/gpu/config/software_rendering_list_json.cc
+++ b/gpu/config/software_rendering_list_json.cc
@@ -18,7 +18,7 @@ const char kSoftwareRenderingListJson[] = LONG_STRING_CONST(
 {
   "name": "software rendering list",
   // Please update the version number whenever you change this file.
-  "version": "9.7",
+  "version": "9.8",
   "entries": [
     {
       "id": 1,
@@ -795,6 +795,10 @@ LONG_STRING_CONST(
             "op": "=",
             "value": "33362"
           }
+        },
+        {
+          "gl_renderer": "Mali-400.*",
+          "gl_extensions": ".*EXT_robustness.*"
         }
       ],
       "features": [