Revert "Modifying prefetch to account for multi-profile."

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 0c90d4bf7e2bb7da7f74bcb10ca7682b3e76e32c..5cc12936ca325bae200dd1f2832ab997aa4d0cb2 100644
--- a/chrome/browser/renderer_host/chrome_render_message_filter.cc
+++ b/chrome/browser/renderer_host/chrome_render_message_filter.cc
@@ -17,7 +17,7 @@
 #include "chrome/browser/metrics/histogram_synchronizer.h"
 #include "chrome/browser/nacl_host/nacl_process_host.h"
 #include "chrome/browser/net/chrome_url_request_context.h"
-#include "chrome/browser/net/predictor.h"
+#include "chrome/browser/net/predictor_api.h"
 #include "chrome/browser/prefs/pref_member.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/task_manager/task_manager.h"
@@ -191,8 +191,7 @@ void ChromeRenderMessageFilter::OnLaunchNaCl(
 
 void ChromeRenderMessageFilter::OnDnsPrefetch(
     const std::vector<std::string>& hostnames) {
-  if (profile_->GetNetworkPredictor())
-    profile_->GetNetworkPredictor()->DnsPrefetchList(hostnames);
+  chrome_browser_net::DnsPrefetchList(hostnames);
 }
 
 void ChromeRenderMessageFilter::OnRendererHistograms(
@@ -521,9 +520,7 @@ void ChromeRenderMessageFilter::OnCanTriggerClipboardWrite(const GURL& url,
 void ChromeRenderMessageFilter::OnClearPredictorCache(int* result) {
   // This function is disabled unless the user has enabled
   // benchmarking extensions.
-  chrome_browser_net::Predictor* predictor = profile_->GetNetworkPredictor();
-  if (predictor)
-    predictor->DiscardAllResults();
+  chrome_browser_net::ClearPredictorCache();
   *result = 0;
 }