Add the ability for DevTools to wrap network transactions.

chrome/browser/chrome_content_browser_client.cc

Index: chrome/browser/chrome_content_browser_client.cc
diff --git a/chrome/browser/chrome_content_browser_client.cc b/chrome/browser/chrome_content_browser_client.cc
index 232c2c85b4e65c5436d2d5a41f9478cc29a010f4..9a0244aaa56258208844c6a5c899594881c4ba4d 100644
--- a/chrome/browser/chrome_content_browser_client.cc
+++ b/chrome/browser/chrome_content_browser_client.cc
@@ -51,6 +51,7 @@
 #include "chrome/browser/metrics/chrome_browser_main_extra_parts_metrics.h"
 #include "chrome/browser/nacl_host/nacl_browser_delegate_impl.h"
 #include "chrome/browser/net/chrome_net_log.h"
+#include "chrome/browser/net/network_controller.h"
 #include "chrome/browser/notifications/desktop_notification_service.h"
 #include "chrome/browser/notifications/desktop_notification_service_factory.h"
 #include "chrome/browser/platform_util.h"
@@ -2427,6 +2428,15 @@ void ChromeContentBrowserClient::ClearCookies(RenderViewHost* rvh) {
   // BrowsingDataRemover takes care of deleting itself when done.
 }
 
+void ChromeContentBrowserClient::DisableNetwork(
+    content::RenderViewHost* rvh,
+    const std::string& id,
+    bool disable_network) {
+  Profile* profile = Profile::FromBrowserContext(
+      rvh->GetSiteInstance()->GetProcess()->GetBrowserContext());
+  NetworkController::DisableNetwork(profile, id, disable_network);
+}
+
 base::FilePath ChromeContentBrowserClient::GetDefaultDownloadDirectory() {
   return DownloadPrefs::GetDefaultDownloadDirectory();
 }