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 18dd4c317acea99346143bccf39206e1b75a18cc..a8622de0423b65995183a254055e1590d8277080 100644
--- a/chrome/browser/chrome_content_browser_client.cc
+++ b/chrome/browser/chrome_content_browser_client.cc
@@ -31,6 +31,7 @@
 #include "chrome/browser/content_settings/host_content_settings_map.h"
 #include "chrome/browser/content_settings/tab_specific_content_settings.h"
 #include "chrome/browser/defaults.h"
+#include "chrome/browser/devtools/devtools_network_controller.h"
 #include "chrome/browser/download/download_prefs.h"
 #include "chrome/browser/extensions/api/web_request/web_request_api.h"
 #include "chrome/browser/extensions/browser_permissions_policy_delegate.h"
@@ -2385,6 +2386,16 @@ void ChromeContentBrowserClient::ClearCookies(RenderViewHost* rvh) {
   // BrowsingDataRemover takes care of deleting itself when done.
 }
 
+void ChromeContentBrowserClient::DisableNetwork(
+    content::RenderViewHost* rvh,
+    const std::string& client_id,
+    bool disable_network) {
+  Profile* profile = Profile::FromBrowserContext(
+      rvh->GetSiteInstance()->GetProcess()->GetBrowserContext());
+  DevToolsNetworkController::DisableNetwork(
+      profile, client_id, disable_network);
+}
+
 base::FilePath ChromeContentBrowserClient::GetDefaultDownloadDirectory() {
   return DownloadPrefs::GetDefaultDownloadDirectory();
 }