Don't blacklist accelerated 2d canvas if WinStats are unavailable.

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.
 // The format of a valid software_rendering_list.json file is defined in
 // <gpu/config/gpu_control_list_format.txt>.
 // The supported "features" can be found in <gpu/config/gpu_blacklist.cc>.
 
 #include "gpu/config/gpu_control_list_jsons.h"
 
 #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": "7.1",
+  "version": "7.2",
   "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 287 matching lines @@
         "op": "beginwith",
         "value": "nouveau"
       },
       "features": [
         "all"
       ]
     },
     {
       "id": 32,
       "description": "Accelerated 2d canvas is disabled on Windows systems with low perf stats",
-      "cr_bugs": [116350, 151500],
+      "cr_bugs": [116350, 151500, 349628],
       "os": {
         "type": "win"
       },
       "perf_overall": {
         "op": "<",
         "value": "3.5"
       },
       "exceptions": [
         {
           "perf_gaming": {
             "op": ">",
             "value": "3.5"
           }
         },
         {
           "cpu_info": {
             "op": "contains",
             "value": "Atom"
           }
+        },
+        // Don't blacklist accelerated 2D canvas if WinSAT scores haven't
+        // been gathered.

[Ken Russell (switch to Gerrit), 2014/03/06 01:21:57]

Careful! Comments like these aren't valid JSON. Does this still parse? I don't
know exactly how this file is set up.

+        {
+          "perf_overall": {
+            "op": "=",
+            "value": "0"
+          }
         }
       ],
       "features": [
         "accelerated_2d_canvas"
       ]
     },
     {
       "id": 34,
       "description": "S3 Trio (used in Virtual PC) is not compatible",
       "cr_bugs": [119948],
@@ skipping 674 matching lines @@
         "accelerated_video_decode"
       ]
     }
 
   ]
 }
 
 );  // LONG_STRING_CONST macro
 
 }  // namespace gpu