Allow content to get the system request context, a request context not tied to any profile.

chrome/browser/chrome_content_browser_client.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/chrome_content_browser_client.h"
 
 #include "base/command_line.h"
 #include "chrome/app/breakpad_mac.h"
 #include "chrome/browser/browser_about_handler.h"
 #include "chrome/browser/browser_process.h"
@@ skipping 727 matching lines @@
 
 FilePath ChromeContentBrowserClient::GetDefaultDownloadDirectory() {
   return download_util::GetDefaultDownloadDirectory();
 }
 
 net::URLRequestContextGetter*
 ChromeContentBrowserClient::GetDefaultRequestContextDeprecatedCrBug64339() {
   return Profile::Deprecated::GetDefaultRequestContext();
 }
 
+net::URLRequestContextGetter*
+ChromeContentBrowserClient::GetSystemRequestContext() {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  return g_browser_process->system_request_context();
+}
+
 #if defined(OS_LINUX)
 int ChromeContentBrowserClient::GetCrashSignalFD(
     const std::string& process_type) {
   if (process_type == switches::kRendererProcess)
     return RendererCrashHandlerHostLinux::GetInstance()->GetDeathSignalSocket();
 
   if (process_type == switches::kExtensionProcess) {
     ExtensionCrashHandlerHostLinux* crash_handler =
         ExtensionCrashHandlerHostLinux::GetInstance();
     return crash_handler->GetDeathSignalSocket();
@@ skipping 21 matching lines @@
 #if defined(USE_NSS)
 crypto::CryptoModuleBlockingPasswordDelegate*
     ChromeContentBrowserClient::GetCryptoPasswordDelegate(
         const GURL& url) {
   return browser::NewCryptoModuleBlockingDialogDelegate(
       browser::kCryptoModulePasswordKeygen, url.host());
 }
 #endif
 
 }  // namespace chrome