Add OrderingBarrierCHROMIUM API.

gpu/command_buffer/client/gles2_c_lib_autogen.h

Index: gpu/command_buffer/client/gles2_c_lib_autogen.h
diff --git a/gpu/command_buffer/client/gles2_c_lib_autogen.h b/gpu/command_buffer/client/gles2_c_lib_autogen.h
index 503fff02065601a8ee43d1cf6e65fedfcf0e0fcf..b23f7db46106149e4d34c4b5a72cab33e7a93cd1 100644
--- a/gpu/command_buffer/client/gles2_c_lib_autogen.h
+++ b/gpu/command_buffer/client/gles2_c_lib_autogen.h
@@ -578,6 +578,9 @@ void GLES2ShallowFinishCHROMIUM() {
 void GLES2ShallowFlushCHROMIUM() {
   gles2::GetGLContext()->ShallowFlushCHROMIUM();
 }
+void GLES2OrderingBarrierCHROMIUM() {
+  gles2::GetGLContext()->OrderingBarrierCHROMIUM();
+}
 void GLES2StencilFunc(GLenum func, GLint ref, GLuint mask) {
   gles2::GetGLContext()->StencilFunc(func, ref, mask);
 }
@@ -1784,6 +1787,10 @@ extern const NameToFunc g_gles2_function_table[] = {
      reinterpret_cast<GLES2FunctionPointer>(glShallowFlushCHROMIUM),
     },
     {
+     "glOrderingBarrierCHROMIUM",
+     reinterpret_cast<GLES2FunctionPointer>(glOrderingBarrierCHROMIUM),
+    },
+    {
      "glStencilFunc",
      reinterpret_cast<GLES2FunctionPointer>(glStencilFunc),
     },