Modifying prefetch to account for multi-profile.

chrome/browser/renderer_host/chrome_render_view_host_observer.cc

Index: chrome/browser/renderer_host/chrome_render_view_host_observer.cc
===================================================================
--- chrome/browser/renderer_host/chrome_render_view_host_observer.cc	(revision 100345)
+++ chrome/browser/renderer_host/chrome_render_view_host_observer.cc	(working copy)
@@ -7,7 +7,7 @@
 #include "base/command_line.h"
 #include "chrome/browser/dom_operation_notification_details.h"
 #include "chrome/browser/extensions/extension_service.h"
-#include "chrome/browser/net/predictor_api.h"
+#include "chrome/browser/net/predictor.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/chrome_switches.h"
@@ -24,8 +24,9 @@
 #include "content/common/view_messages.h"
 
 ChromeRenderViewHostObserver::ChromeRenderViewHostObserver(
-    RenderViewHost* render_view_host)
-    : RenderViewHostObserver(render_view_host) {
+    RenderViewHost* render_view_host, chrome_browser_net::Predictor* predictor)
+    : RenderViewHostObserver(render_view_host),
+      predictor_(predictor) {
   InitRenderViewHostForExtensions();
 }
 
@@ -39,9 +40,11 @@
 void ChromeRenderViewHostObserver::Navigate(
     const ViewMsg_Navigate_Params& params) {
   const GURL& url = params.url;
+  if (!predictor_)
+    return;
   if (!CommandLine::ForCurrentProcess()->HasSwitch(switches::kChromeFrame) &&
-      (url.SchemeIs(chrome::kHttpScheme) || url.SchemeIs(chrome::kHttpsScheme)))
-    chrome_browser_net::PreconnectUrlAndSubresources(url);
+     (url.SchemeIs(chrome::kHttpScheme) || url.SchemeIs(chrome::kHttpsScheme)))
+    predictor_->PreconnectUrlAndSubresources(url);
 }
 
 bool ChromeRenderViewHostObserver::OnMessageReceived(