Convert trivial URLRequest::Interceptors and URLRequestJobFactory::Interceptor into URLRequestJobFactory::ProtocolHandlers.

BUG=161524

Review URL: https://codereview.chromium.org/11293252

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@174174 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/chrome/browser/net/chrome_network_delegate.cc b/chrome/browser/net/chrome_network_delegate.cc
index a352093..c66e5152 100644
--- a/chrome/browser/net/chrome_network_delegate.cc
+++ b/chrome/browser/net/chrome_network_delegate.cc
@@ -24,6 +24,7 @@
 #include "chrome/browser/extensions/extension_process_manager.h"
 #include "chrome/browser/extensions/extension_system.h"
 #include "chrome/browser/google/google_util.h"
+#include "chrome/browser/net/connect_interceptor.h"
 #include "chrome/browser/net/load_time_stats.h"
 #include "chrome/browser/performance_monitor/performance_monitor.h"
 #include "chrome/browser/prefs/pref_service.h"
@@ -292,6 +293,12 @@
   cookie_settings_ = cookie_settings;
 }
 
+void ChromeNetworkDelegate::set_predictor(
+    chrome_browser_net::Predictor* predictor) {
+  connect_interceptor_.reset(
+      new chrome_browser_net::ConnectInterceptor(predictor));
+}
+
 // static
 void ChromeNetworkDelegate::NeverThrottleRequests() {
   g_never_throttle_requests_ = true;
@@ -394,6 +401,9 @@
   if (force_safe_search && rv == net::OK && new_url->is_empty())
     ForceGoogleSafeSearch(request, new_url);
 
+  if (connect_interceptor_)
+    connect_interceptor_->WitnessURLRequest(request);
+
   return rv;
 }