Convert network hints to Mojo

chromecast/browser/cast_content_browser_client.h

Index: chromecast/browser/cast_content_browser_client.h
diff --git a/chromecast/browser/cast_content_browser_client.h b/chromecast/browser/cast_content_browser_client.h
index dffac910b9fccc343fb8402519a2628d41b2972f..9cc6a37b70226806128a07526365046c9b206df9 100644
--- a/chromecast/browser/cast_content_browser_client.h
+++ b/chromecast/browser/cast_content_browser_client.h
@@ -28,6 +28,10 @@ namespace metrics {
 class MetricsService;
 }
 
+namespace network_hints {
+class NetworkHintsImpl;
+}
+
 namespace chromecast {
 class CastService;
 
@@ -170,8 +174,8 @@ class CastContentBrowserClient : public content::ContentBrowserClient {
   }
 
  private:
-  void AddNetworkHintsMessageFilter(int render_process_id,
-                                    net::URLRequestContext* context);
+  void AddNetworkHintsImpl(int render_process_id,
+                           net::URLRequestContext* context);
 
   net::X509Certificate* SelectClientCertificateOnIOThread(
       GURL requesting_url,
@@ -193,6 +197,8 @@ class CastContentBrowserClient : public content::ContentBrowserClient {
   CastBrowserMainParts* cast_browser_main_parts_;
   std::unique_ptr<URLRequestContextFactory> url_request_context_factory_;
 
+  std::unique_ptr<network_hints::NetworkHintsImpl> network_hints_;
+
   DISALLOW_COPY_AND_ASSIGN(CastContentBrowserClient);
 };