Add glTransformFeedbackVaryings to GPU command buffer.

gpu/command_buffer/client/gles2_trace_implementation_impl_autogen.h

Index: gpu/command_buffer/client/gles2_trace_implementation_impl_autogen.h
diff --git a/gpu/command_buffer/client/gles2_trace_implementation_impl_autogen.h b/gpu/command_buffer/client/gles2_trace_implementation_impl_autogen.h
index deb7f84b1afc8c98048bccd94440fa33afe4ca09..49d84f66e7965ebf884433f6f75a4879ba91c540 100644
--- a/gpu/command_buffer/client/gles2_trace_implementation_impl_autogen.h
+++ b/gpu/command_buffer/client/gles2_trace_implementation_impl_autogen.h
@@ -1016,6 +1016,15 @@ void GLES2TraceImplementation::TexSubImage3D(GLenum target,
                      depth, format, type, pixels);
 }
 
+void GLES2TraceImplementation::TransformFeedbackVaryings(
+    GLuint program,
+    GLsizei count,
+    const char* const* varyings,
+    GLenum buffermode) {
+  TRACE_EVENT_BINARY_EFFICIENT0("gpu", "GLES2Trace::TransformFeedbackVaryings");
+  gl_->TransformFeedbackVaryings(program, count, varyings, buffermode);
+}
+
 void GLES2TraceImplementation::Uniform1f(GLint location, GLfloat x) {
   TRACE_EVENT_BINARY_EFFICIENT0("gpu", "GLES2Trace::Uniform1f");
   gl_->Uniform1f(location, x);