Revert "Update mojo sdk to rev 8d45c89c30b230843c5bd6dd0693a555750946c0"

third_party/mojo/src/mojo/public/c/DEPS

Index: third_party/mojo/src/mojo/public/c/DEPS
diff --git a/third_party/mojo/src/mojo/public/c/DEPS b/third_party/mojo/src/mojo/public/c/DEPS
new file mode 100644
index 0000000000000000000000000000000000000000..52727706c3865337742c382cf59aa3bb0f394b5a
--- /dev/null
+++ b/third_party/mojo/src/mojo/public/c/DEPS
@@ -0,0 +1,16 @@
+include_rules = [
+  # Require explicit dependencies in each directory.
+  "-mojo/public",
+  # But everyone can depend on the C system headers.
+  "+mojo/public/c/system",
+]
+
+specific_include_rules = {
+  r".*_(unit|perf)test\.cc": [
+    "+testing",
+    # Our test harness is C++, so allow the use of C++:
+    "+mojo/public/cpp/system",
+    "+mojo/public/cpp/test_support",
+    "+mojo/public/cpp/utility",
+  ],
+}