Do not precache when the cache size is small

components/precache/content/DEPS

Index: components/precache/content/DEPS
diff --git a/components/precache/content/DEPS b/components/precache/content/DEPS
index 25f55a1ece677c28c46eddd8f555854f37c6047e..04594bd33ad8550215537f6b35f85600fb1c1829 100644
--- a/components/precache/content/DEPS
+++ b/components/precache/content/DEPS
@@ -4,12 +4,14 @@ include_rules = [
   "+components/variations",
   "+content/public/browser",
   "+net/base",
+  "+net/disk_cache",
+  "+net/http",
+  "+net/url_request",
 ]
 
 specific_include_rules = {
   '.*_[a-z]*test\.cc': [
     "+content/public/test",
-    "+net/http",
-    "+net/url_request",
+    "+net/test",
   ],
 }