Add glUniformBlockBinding to GPU command buffer.

gpu/command_buffer/client/gles2_cmd_helper_autogen.h

Index: gpu/command_buffer/client/gles2_cmd_helper_autogen.h
diff --git a/gpu/command_buffer/client/gles2_cmd_helper_autogen.h b/gpu/command_buffer/client/gles2_cmd_helper_autogen.h
index ddcd1c316b5ef188cc2fa52dfac32d4f1bae7e1b..074502c31b69f857619b0877f32be8b15cc926f7 100644
--- a/gpu/command_buffer/client/gles2_cmd_helper_autogen.h
+++ b/gpu/command_buffer/client/gles2_cmd_helper_autogen.h
@@ -1672,6 +1672,14 @@ void Uniform4uivImmediate(GLint location, GLsizei count, const GLuint* v) {
   }
 }
 
+void UniformBlockBinding(GLuint program, GLuint index, GLuint binding) {
+  gles2::cmds::UniformBlockBinding* c =
+      GetCmdSpace<gles2::cmds::UniformBlockBinding>();
+  if (c) {
+    c->Init(program, index, binding);
+  }
+}
+
 void UniformMatrix2fvImmediate(GLint location,
                                GLsizei count,
                                const GLfloat* value) {