chore: import upstream snapshot with attribution

third_party/pprof/BUILD.bazel

@@ -0,0 +1 @@
+# copybara:uncomment package(default_applicable_licenses = ["//tensorflow:license"])

third_party/pprof/pprof.BUILD

@@ -0,0 +1,19 @@
+load("@com_google_protobuf//bazel:py_proto_library.bzl", "py_proto_library")
+
+package(
+    default_visibility = ["//visibility:public"],
+)
+
+licenses(["notice"])  # MIT
+
+exports_files(["pprof/LICENSE"])
+
+proto_library(
+    name = "pprof_proto",
+    srcs = ["proto/profile.proto"],
+)
+
+py_proto_library(
+    name = "pprof_proto_py",
+    deps = [":pprof_proto"],
+)

third_party/pprof/workspace.bzl

@@ -0,0 +1,12 @@
+"""Loads the pprof library, used by TF."""
+
+load("//third_party:repo.bzl", "tf_http_archive", "tf_mirror_urls")
+
+def repo():
+    tf_http_archive(
+        name = "com_google_pprof",
+        build_file = "//third_party/pprof:pprof.BUILD",
+        sha256 = "b844b75c25cfe7ea34b832b369ab91234009b2dfe2ae1fcea53860c57253fe2e",
+        strip_prefix = "pprof-83db2b799d1f74c40857232cb5eb4c60379fe6c2",
+        urls = tf_mirror_urls("https://github.com/google/pprof/archive/83db2b799d1f74c40857232cb5eb4c60379fe6c2.tar.gz"),
+    )