Re-enable multisampling for ATI cards on Mac 10.7.2 or newer.

gpu/software_rendering_list/software_rendering_list.json

 // 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
 //     },
 //     ...
 //     { // entry n
 //     }
@@ skipping 36 matching lines @@
 // following values: "=", "<", "<=", ">", ">=", "any", "between".  "number2" is
 // only used if "op" is "between".  "number" is used for all "op" values except
 // "any". "number" and "number2" are in the format of x, x.x, x.x.x, etc.
 //
 // STRING includes "op" and "value".  "op" can be any of the following values:
 // "contains", "beginwith", "endwith", "=".  "value" is a string.
 
 {
   "name": "software rendering list",
   // Please update the version number whenever you change this file.
-  "version": "1.23",
+  "version": "1.24",
   "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 158 matching lines @@
       "driver_version": {
         "op": "<",
         "number": "6.14.10.5294"
       },
       "blacklist": [
         "all"
       ]
     },
     {
       "id": 16,
-      "description": "Multisampling is buggy in some ATI Mac cards.",
+      "description": "Multisampling is buggy in ATI cards on older MacOSX.",
       "cr_bugs": [67752, 83153],
       "os": {
-        "type": "macosx"
+        "type": "macosx",
+        "version": {
+          "op": "<",
+          "number": "10.7.2"
+        }
       },
       "vendor_id": "0x1002",
-      "exceptions": [
-        {
-          "device_id": ["0x6760", "0x9488"]
-        }
-      ],
       "blacklist": [
         "multisampling"
       ]
     },
     {
       "id": 17,
       "description": "Intel mesa drivers are crash-prone.",
       "cr_bugs": [76703],
       "os": {
         "type": "linux"
@@ skipping 196 matching lines @@
       "gl_vendor": {
         "op": "beginwith",
         "value": "nouveau"
       },
       "blacklist": [
         "all"
       ]
     }
   ]
 }