Add force_compositing_mode support in gpu blacklist.

content/browser/gpu/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 23 matching lines @@
 // 13. "perf_gaming" is a FLOAT structure (defined below).
 // 14. "perf_overall" is a FLOAT structure (defined below).
 // 15. "machine_model" contais "name" and an optional "version".  "name" is a 
 //     STRING structure and "version" is a VERSION structure (defined below).
 // 16. "gpu_count" is a INT structure (defined below).
 // 17  "cpu_info" is a STRING structure (defined below).
 // 18. "exceptions" is a list of entries.
 // 19. "blacklist" is a list of gpu feature strings, valid values include
 //     "accelerated_2d_canvas", "accelerated_compositing", "webgl",
 //     "multisampling", "flash_3d", "flash_stage3d", "texture_sharing",
-//     "accelerated_video", "accelerated_video_decode", "panel_fitting", and
-//     "all".
+//     "accelerated_video", "accelerated_video_decode", "panel_fitting",
+//     "force_compositing_mode", and "all".
 //     This field is mandatory.
 // 20. "description" has the description of the entry.
 // 21. "webkit_bugs" is an array of associated webkit bug numbers.
 // 22. "cr_bugs" is an array of associated webkit bug numbers.
 // 23. "browser_version" is a VERSION structure (defined below).  If this
 //     condition is not satisfied, the entry will be ignored.  If it is not
 //     present, then the entry applies to all versions of the browser.
 // 24. "disabled" is a boolean. If it is present, the entry will be skipped.
 //     This can not be used in exceptions.
 //
@@ skipping 12 matching lines @@
 //
 // FLOAT includes "op" "value", and "value2".  "op" can be any of the
 // following values: "=", "<", "<=", ">", ">=", "any", "between".  "value2" is
 // only used if "op" is "between".  "value" is used for all "op" values except
 // "any". "value" and "value2" are valid float numbers.
 // INT is very much like FLOAT, except that the values need to be integers.
 
 {
   "name": "software rendering list",
   // Please update the version number whenever you change this file.
-  "version": "4.9",
+  "version": "4.10",
   "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 104 matching lines @@
             "op": ">=",
             "number": "7.15.10.1624"
           }
         }
       ],
       "blacklist": [
         "accelerated_video",
         "accelerated_video_decode",
         "3d_css",
         "multisampling",
-        "flash_3d"
+        "flash_3d",
+        "force_compositing_mode"
       ]
     },
     {
       "id": 13,
       "description": "ATI drivers older than 10.6 on Windows XP are possibly unreliable.",
       "cr_bugs": [74212],
       "os": {
         "type": "win",
         "version": {
           "op": "=",
           "number": "5"
         }
       },
       "vendor_id": "0x1002",
       "driver_version": {
         "op": "<",
         "number": "8.741"
       },
       "blacklist": [
         "accelerated_video",
         "accelerated_video_decode",
         "3d_css",
         "multisampling",
-        "flash_3d"
+        "flash_3d",
+        "force_compositing_mode"
       ]
     },
     {
       "id": 14,
       "description": "NVIDIA drivers older than 257.21 on Windows XP are possibly unreliable.",
       "cr_bugs": [74212],
       "os": {
         "type": "win",
         "version": {
           "op": "=",
           "number": "5"
         }
       },
       "vendor_id": "0x10de",
       "driver_version": {
         "op": "<",
         "number": "6.14.12.5721"
       },
       "blacklist": [
         "accelerated_video",
         "accelerated_video_decode",
         "3d_css",
         "multisampling",
-        "flash_3d"
+        "flash_3d",
+        "force_compositing_mode"
       ]
     },
     {
       "id": 15,
       "description": "Intel drivers older than 14.42.7.5294 on Windows XP are possibly unreliable.",
       "cr_bugs": [74212],
       "os": {
         "type": "win",
         "version": {
           "op": "=",
           "number": "5"
         }
       },
       "vendor_id": "0x8086",
       "driver_version": {
         "op": "<",
         "number": "6.14.10.5294"
       },
       "blacklist": [
         "accelerated_video",
         "accelerated_video_decode",
         "3d_css",
         "multisampling",
-        "flash_3d"
+        "flash_3d",
+        "force_compositing_mode"
       ]
     },
     {
       "id": 16,
       "description": "Multisampling is buggy in ATI cards on older MacOSX.",
       "cr_bugs": [67752, 83153],
       "os": {
         "type": "macosx",
         "version": {
           "op": "<",
@@ skipping 650 matching lines @@
       },
       "blacklist": [
         "accelerated_2d_canvas"
       ]
     },
     {
       "id": 63,
       "description": "Multisampling is buggy on Mac with AMD gpu.",
       "cr_bugs": [162466],
       "os": {
-        "type": "macosx"
+        "type": "linux"

[vangelis, 2013/01/16 08:00:06]

ooops!  This should change back to mac!

[Zhenyao Mo, 2013/01/16 15:34:55]

Holy cow.  Have no idea where this change comes from!

       },
-      "vendor_id": "0x1002",
       "blacklist": [
         "multisampling"
       ]
     },
     {
       "id": 64,
       "description": "Hardware video decode is only supported in win7+.",
       "cr_bugs": [159458],
       "os": {
         "type": "win",
         "version": {
           "op": "<",
           "number": "6.1"
         }
       },
       "blacklist": [
         "accelerated_video_decode"
       ]
     }
   ]
 }