fuchsia: Use new, qualified error names, disable old names.

base/rand_util_fuchsia.cc

Index: base/rand_util_fuchsia.cc
diff --git a/base/rand_util_fuchsia.cc b/base/rand_util_fuchsia.cc
index e902d168cc5ff2710853a4236b0268fdf77b5b74..bdb210eaa5bb81262996f1c21727577f53f7acfd 100644
--- a/base/rand_util_fuchsia.cc
+++ b/base/rand_util_fuchsia.cc
@@ -28,7 +28,7 @@ void RandBytes(void* output, size_t output_length) {
 
     size_t actual;
     mx_status_t status = mx_cprng_draw(cur, read_len, &actual);
-    CHECK(status == NO_ERROR && read_len == actual);
+    CHECK(status == MX_OK && read_len == actual);
 
     CHECK(remaining >= actual);
     remaining -= actual;