[DO NOT COMMIT] Re-use the dafsa code for s-w-r histograms

net/BUILD.gn

Index: net/BUILD.gn
diff --git a/net/BUILD.gn b/net/BUILD.gn
index 00756332bec1c1171ad47067ff82a677eed996f1..550e20800964c11ca327a10fd07af08929b5abf9 100644
--- a/net/BUILD.gn
+++ b/net/BUILD.gn
@@ -105,6 +105,7 @@ net_shared_deps = [
   ":net_resources",
   "//base",
   "//net/base/registry_controlled_domains",
+  "//net/base/swr_histogram_domains",

[tyoshino (SeeGerritForStatus), 2015/10/30 07:48:02]

swr_histogram_domains won't be used so widely as registry_controlled_domains. Do
we have any option to have smaller set of rules depend on this?

[Adam Rice, 2015/11/02 13:53:54]

Okay, I've broken it out into a separate target so that it no longer gets
compiled into libnet.{so|a}.

   "//third_party/protobuf:protobuf_lite",
 ]
 
@@ -1324,6 +1325,7 @@ test("net_unittests") {
     "//crypto:platform",
     "//crypto:test_support",
     "//net/base/registry_controlled_domains",
+    "//net/base/swr_histogram_domains",
     "//sql",
     "//testing/gmock",
     "//testing/gtest",