[Profiles, SyzyASAN] Remove incorrect use of profile_ on the IO thread.

chrome/browser/renderer_host/chrome_render_message_filter.cc

Index: chrome/browser/renderer_host/chrome_render_message_filter.cc
diff --git a/chrome/browser/renderer_host/chrome_render_message_filter.cc b/chrome/browser/renderer_host/chrome_render_message_filter.cc
index 2d69147aef00a23b312a685d2ddc20a843812c91..dd0216eb5fec2f3011722ac68f37b7a1d454a285 100644
--- a/chrome/browser/renderer_host/chrome_render_message_filter.cc
+++ b/chrome/browser/renderer_host/chrome_render_message_filter.cc
@@ -83,6 +83,7 @@ ChromeRenderMessageFilter::ChromeRenderMessageFilter(
     : render_process_id_(render_process_id),
       profile_(profile),
       off_the_record_(profile_->IsOffTheRecord()),
+      predictor_(profile_->GetNetworkPredictor()),
       request_context_(request_context),
       extension_info_map_(
           extensions::ExtensionSystem::Get(profile)->info_map()),
@@ -196,13 +197,13 @@ net::HostResolver* ChromeRenderMessageFilter::GetHostResolver() {
 
 void ChromeRenderMessageFilter::OnDnsPrefetch(
     const std::vector<std::string>& hostnames) {
-  if (profile_->GetNetworkPredictor())
-    profile_->GetNetworkPredictor()->DnsPrefetchList(hostnames);
+  if (predictor_)
+    predictor_->DnsPrefetchList(hostnames);
 }
 
 void ChromeRenderMessageFilter::OnPreconnect(const GURL& url) {
-  if (profile_->GetNetworkPredictor())
-    profile_->GetNetworkPredictor()->PreconnectUrl(
+  if (predictor_)
+    predictor_->PreconnectUrl(
         url, GURL(), chrome_browser_net::UrlInfo::MOUSE_OVER_MOTIVATED, 1);
 }