Convert network hints to Mojo

components/network_hints/renderer/renderer_dns_prefetch.cc

Index: components/network_hints/renderer/renderer_dns_prefetch.cc
diff --git a/components/network_hints/renderer/renderer_dns_prefetch.cc b/components/network_hints/renderer/renderer_dns_prefetch.cc
index ec2d6f38a2896fb3115969da8b548bee01dede90..61390f60adb4cccf3c28ca1b1ddfffbb5d49d126 100644
--- a/components/network_hints/renderer/renderer_dns_prefetch.cc
+++ b/components/network_hints/renderer/renderer_dns_prefetch.cc
@@ -14,9 +14,9 @@
 #include "base/message_loop/message_loop.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "components/network_hints/common/network_hints_common.h"
-#include "components/network_hints/common/network_hints_messages.h"
 #include "components/network_hints/renderer/dns_prefetch_queue.h"
 #include "content/public/renderer/render_thread.h"
+#include "services/shell/public/cpp/interface_provider.h"
 
 using content::RenderThread;
 
@@ -39,6 +39,15 @@ void RendererDnsPrefetch::Reset() {
   new_name_count_ = 0;
 }
 
+mojom::NetworkHints& RendererDnsPrefetch::GetNetworkHints() {
+  DCHECK(content::RenderThread::Get());
+  if (!network_hints_) {
+    RenderThread::Get()->GetRemoteInterfaces()->GetInterface(
+        mojo::GetProxy(&network_hints_));
+  }
+  return *network_hints_;
+}
+
 // Push names into queue quickly!
 void RendererDnsPrefetch::Resolve(const char* name, size_t length) {
   DCHECK(content::RenderThread::Get());
@@ -153,7 +162,7 @@ void RendererDnsPrefetch::DnsPrefetchNames(size_t max_count) {
 
   network_hints::LookupRequest request;
   request.hostname_list = names;
-  RenderThread::Get()->Send(new NetworkHintsMsg_DNSPrefetch(request));
+  GetNetworkHints().DNSPrefetch(request);
 }
 
 // is_numeric_ip() checks to see if all characters in name are either numeric,