Take GL version and extensions correctly into account when binding functions

ui/gl/gl_surface_wgl.cc

Index: ui/gl/gl_surface_wgl.cc
diff --git a/ui/gl/gl_surface_wgl.cc b/ui/gl/gl_surface_wgl.cc
index 7e1c3a7ad1fe9f2ec1cf127ba6eeadfb1f80b0b3..a865b42a7abcde10c44bd1fdd7999933f3a371ea 100644
--- a/ui/gl/gl_surface_wgl.cc
+++ b/ui/gl/gl_surface_wgl.cc
@@ -164,7 +164,10 @@ bool GLSurfaceWGL::InitializeOneOff() {
   if (!wgl_display->Init())
     return false;
 
-  // Create a temporary GL context to bind to extension entry points.
+  // Create a temporary GL context to bind to entry points. wglGetProcAddress
+  // is specified to return NULL for all queries if a context is not current in
+  // MSDN documentation, and the static bindings may contain functions that
+  // need to be queried with wglGetProcAddress.
   HGLRC gl_context = wglCreateContext(wgl_display->device_context());
   if (!gl_context) {
     LOG(ERROR) << "Failed to create temporary context.";
@@ -175,10 +178,8 @@ bool GLSurfaceWGL::InitializeOneOff() {
     wglDeleteContext(gl_context);
     return false;
   }
-  // Get bindings to extension functions that cannot be acquired without a
-  // current context.
-  InitializeGLBindingsGL();
-  InitializeGLBindingsWGL();
+  InitializeStaticGLBindingsGL();
+  InitializeStaticGLBindingsWGL();
 
   wglMakeCurrent(NULL, NULL);
   wglDeleteContext(gl_context);