Move some chrome-specific bits out of InProcessBrowserTest

chrome/browser/download/download_browsertest.cc

Index: chrome/browser/download/download_browsertest.cc
diff --git a/chrome/browser/download/download_browsertest.cc b/chrome/browser/download/download_browsertest.cc
index 8c5f3d199663c935618402963f9dc16370cc632e..13efb9e67db5b4a7cb8eb3219e86b9338ebf5ba6 100644
--- a/chrome/browser/download/download_browsertest.cc
+++ b/chrome/browser/download/download_browsertest.cc
@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#include "base/bind.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/memory/ref_counted.h"
@@ -20,6 +21,7 @@
 #include "chrome/browser/extensions/extension_install_ui.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/history/history.h"
+#include "chrome/browser/net/url_request_mock_util.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
@@ -635,6 +637,12 @@ class DownloadTest : public InProcessBrowserTest {
     EnableDOMAutomation();
   }
 
+  void SetUpOnMainThread() OVERRIDE {
+    BrowserThread::PostTask(
+        BrowserThread::IO, FROM_HERE,
+        base::Bind(&chrome_browser_net::SetUrlRequestMocksEnabled, true));
+  }
+
   // Returning false indicates a failure of the setup, and should be asserted
   // in the caller.
   virtual bool InitialSetup(bool prompt_for_download) {