Add enableReferrers and enableHyperlinkAuditing to contentSettings.misc API.

content/browser/renderer_host/resource_dispatcher_host.cc

Index: content/browser/renderer_host/resource_dispatcher_host.cc
diff --git a/content/browser/renderer_host/resource_dispatcher_host.cc b/content/browser/renderer_host/resource_dispatcher_host.cc
index b8392d0c7c3e98a3935b3f7ba8add5d14b13cfe9..d672dc337b98df817f13a87e5c81ba6c66cef7a1 100644
--- a/content/browser/renderer_host/resource_dispatcher_host.cc
+++ b/content/browser/renderer_host/resource_dispatcher_host.cc
@@ -412,8 +412,8 @@ void ResourceDispatcherHost::BeginRequest(
   net::URLRequest* request = new net::URLRequest(request_data.url, this);
   request->set_method(request_data.method);
   request->set_first_party_for_cookies(request_data.first_party_for_cookies);
-  request->set_referrer(CommandLine::ForCurrentProcess()->HasSwitch(
-      switches::kNoReferrers) ? std::string() : request_data.referrer.spec());
+  request->set_referrer(ReferrersEnabled() ? request_data.referrer.spec()
+                                           : std::string());
   net::HttpRequestHeaders headers;
   headers.AddHeadersFromString(request_data.headers);
   request->SetExtraRequestHeaders(headers);
@@ -722,8 +722,8 @@ void ResourceDispatcherHost::BeginDownload(
   }
 
   request->set_method("GET");
-  request->set_referrer(CommandLine::ForCurrentProcess()->HasSwitch(
-      switches::kNoReferrers) ? std::string() : referrer.spec());
+  request->set_referrer(ReferrersEnabled() ? referrer.spec()
+                                           : std::string());
   request->set_context(request_context);
   request->set_load_flags(request->load_flags() |
       net::LOAD_IS_DOWNLOAD);
@@ -763,8 +763,8 @@ void ResourceDispatcherHost::BeginSaveFile(
 
   net::URLRequest* request = new net::URLRequest(url, this);
   request->set_method("GET");
-  request->set_referrer(CommandLine::ForCurrentProcess()->HasSwitch(
-      switches::kNoReferrers) ? std::string() : referrer.spec());
+  request->set_referrer(ReferrersEnabled() ? referrer.spec()
+                                           : std::string());
   // So far, for saving page, we need fetch content from cache, in the
   // future, maybe we can use a configuration to configure this behavior.
   request->set_load_flags(net::LOAD_PREFERRING_CACHE);
@@ -1945,6 +1945,14 @@ bool ResourceDispatcherHost::IsPrerenderingChildRoutePair(int child_id,
 }
 
 
+bool ResourceDispatcherHost::ReferrersEnabled() {
+  // If we're not being called through the ResourceMessageFilter, referrers
+  // should have been stripped beforehand.
+  if (!filter_)
+    return true;
+  return filter_->referrers_enabled();
+}
+
 // static
 bool ResourceDispatcherHost::is_prefetch_enabled() {
   return is_prefetch_enabled_;