Force GPU switch with CGLSetVirtualScreen only for compositor

content/browser/gpu/gpu_driver_bug_list.json

Index: content/browser/gpu/gpu_driver_bug_list.json
diff --git a/content/browser/gpu/gpu_driver_bug_list.json b/content/browser/gpu/gpu_driver_bug_list.json
index 7e8eb39e763fc20e15fffa8ef060a7aa89b93a92..b712f24161968d463c435ff6976666024b837abd 100644
--- a/content/browser/gpu/gpu_driver_bug_list.json
+++ b/content/browser/gpu/gpu_driver_bug_list.json
@@ -47,6 +47,7 @@
 //         "disable_ext_occlusion_query",
 //         "enable_chromium_fast_npot_mo8_textures",
 //         "exit_on_context_lost",
+//         "force_cgl_set_virtual_screen",
 //         "flush_on_context_switch",
 //         "max_cube_map_texture_size_limit_1024",
 //         "max_cube_map_texture_size_limit_4096",
@@ -91,7 +92,7 @@
 {
   "name": "gpu driver bug list",
   // Please update the version number whenever you change this file.
-  "version": "1.2",
+  "version": "1.3",
   "entries": [
     {
       "id": 1,
@@ -318,6 +319,17 @@
       "features": [
         "disable_ext_draw_buffers"
       ]
+    },
+    {
+      "id": 18,

[greggman, 2013/04/08 17:35:26]

I don't know why these have ids :-(  But shouldn't this be 19?

[ccameron, 2013/04/08 17:44:46]

Oops -- disable_ext_draw_buffers snuck in between the 1st and 2nd versions of
this patch!!

[Zhenyao Mo, 2013/04/08 17:46:16]

IDs are for histograms in blacklist. And yes, duplicate IDs are not OK.  I
should probably dcheck in the code to make sure loading will fail.

+      "description": "Workaround for performance problem using CGLSetVirtualScreen",
+      "os": {
+        "type": "macosx"
+      },
+      "vendor_id": "0x10de",
+      "features": [
+        "force_cgl_set_virtual_screen"
+      ]
     }
   ]
 }