Convert TensorFlow's aws dependency to new third party import method.

PiperOrigin-RevId: 216265275

tensorflow/workspace.bzl

@@ -20,12 +20,15 @@ load(
     "//tensorflow/tools/def_file_filter:def_file_filter_configure.bzl",
     "def_file_filter_configure",
 )
+load("//third_party/aws:workspace.bzl", aws = "repo")
 load("//third_party/flatbuffers:workspace.bzl", flatbuffers = "repo")
 load("//third_party/icu:workspace.bzl", icu = "repo")
 load("//third_party/jpeg:workspace.bzl", jpeg = "repo")
 load("//third_party/nasm:workspace.bzl", nasm = "repo")
 
 def initialize_third_party():
+    """ Load third party repositories.  See above load() statements. """
+    aws()
     flatbuffers()
     icu()
     jpeg()
@@ -585,17 +588,6 @@ def tf_workspace(path_prefix = "", tf_repo_name = ""):
         ],
     )
 
-    tf_http_archive(
-        name = "aws",
-        build_file = clean_dep("//third_party:aws.BUILD"),
-        sha256 = "b888d8ce5fc10254c3dd6c9020c7764dd53cf39cf011249d0b4deda895de1b7c",
-        strip_prefix = "aws-sdk-cpp-1.3.15",
-        urls = [
-            "https://mirror.bazel.build/github.com/aws/aws-sdk-cpp/archive/1.3.15.tar.gz",
-            "https://github.com/aws/aws-sdk-cpp/archive/1.3.15.tar.gz",
-        ],
-    )
-
     java_import_external(
         name = "junit",
         jar_sha256 = "59721f0805e223d84b90677887d9ff567dc534d7c502ca903c0c2b17f05c116a",

third_party/aws/BUILD

@@ -0,0 +1 @@
+# Dummy BUILD file to make this directory a package.

third_party/aws/workspace.bzl

@@ -0,0 +1,15 @@
+"""loads the aws library, used by TF."""
+
+load("//third_party:repo.bzl", "third_party_http_archive")
+
+def repo():
+    third_party_http_archive(
+        name = "aws",
+        urls = [
+            "https://mirror.bazel.build/github.com/aws/aws-sdk-cpp/archive/1.3.15.tar.gz",
+            "https://github.com/aws/aws-sdk-cpp/archive/1.3.15.tar.gz",
+        ],
+        sha256 = "b888d8ce5fc10254c3dd6c9020c7764dd53cf39cf011249d0b4deda895de1b7c",
+        strip_prefix = "aws-sdk-cpp-1.3.15",
+        build_file = "//third_party/aws:BUILD.bazel",
+    )