gl_context_glx: add workaround to create default context

content/browser/gpu/gpu_data_manager_impl_private.cc

Index: content/browser/gpu/gpu_data_manager_impl_private.cc
diff --git a/content/browser/gpu/gpu_data_manager_impl_private.cc b/content/browser/gpu/gpu_data_manager_impl_private.cc
index 89da2e6a8873e0e0884ff240d37ce356b3607228..50a767e4c2112542bb17db44023d25c8e0430d31 100644
--- a/content/browser/gpu/gpu_data_manager_impl_private.cc
+++ b/content/browser/gpu/gpu_data_manager_impl_private.cc
@@ -746,6 +746,11 @@ void GpuDataManagerImplPrivate::AppendGpuCommandLine(
     }
   }
 
+  if (gpu_driver_bugs_.find(gpu::CREATE_DEFAULT_CONTEXT) !=

[Ken Russell (switch to Gerrit), 2016/11/03 21:30:02]

See below -- please rename to something like CREATE_DEFAULT_GL_CONTEXT here and
throughout.

[Corentin Wallez, 2016/11/03 21:41:45]

Done

+      gpu_driver_bugs_.end()) {
+    command_line->AppendSwitch(switches::kCreateDefaultContext);
+  }
+
 #if defined(OS_WIN)
   if (IsFeatureBlacklisted(gpu::GPU_FEATURE_TYPE_ACCELERATED_VPX_DECODE) &&
       gpu_preferences) {