Update from https://crrev.com/314320

TBR=jamesr@chromium.org

Review URL: https://codereview.chromium.org/895853003
diff --git a/ui/gl/gl_implementation_x11.cc b/ui/gl/gl_implementation_x11.cc
index 28c1a3e..b8a7246 100644
--- a/ui/gl/gl_implementation_x11.cc
+++ b/ui/gl/gl_implementation_x11.cc
@@ -151,16 +151,9 @@
     GLContext* context) {
   switch (implementation) {
     case kGLImplementationOSMesaGL:
-      InitializeDynamicGLBindingsGL(context);
-      InitializeDynamicGLBindingsOSMESA(context);
-      break;
-    case kGLImplementationDesktopGL:
-      InitializeDynamicGLBindingsGL(context);
-      InitializeDynamicGLBindingsGLX(context);
-      break;
+   case kGLImplementationDesktopGL:
     case kGLImplementationEGLGLES2:
       InitializeDynamicGLBindingsGL(context);
-      InitializeDynamicGLBindingsEGL(context);
       break;
     case kGLImplementationMockGL:
       if (!context) {