Rename safe_json_parser component to safe_json.

This is in preparation for adding a JSON sanitizer to the component. It's also
a shorter name :)

[email protected]
BUG=501333

Review URL: https://codereview.chromium.org/1211793002

Cr-Commit-Position: refs/heads/master@{#336167}
diff --git a/chrome/browser/DEPS b/chrome/browser/DEPS
index 7ffdeb7..28feeb1 100644
--- a/chrome/browser/DEPS
+++ b/chrome/browser/DEPS
@@ -71,7 +71,7 @@
   "+components/query_parser",
   "+components/rappor",
   "+components/renderer_context_menu",
-  "+components/safe_json_parser",
+  "+components/safe_json",
   "+components/search",
   "+components/search_engines",
   "+components/search_provider_logos",