Remove unnecessary ServeFilesFromDirectory

content/browser/site_per_process_browsertest.cc

 // Copyright (c) 2012 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 "content/browser/site_per_process_browsertest.h"
 
 #include "base/command_line.h"
 #include "base/strings/stringprintf.h"
 #include "content/browser/frame_host/cross_process_frame_connector.h"
 #include "content/browser/frame_host/frame_tree.h"
@@ skipping 177 matching lines @@
 }
 
 void SitePerProcessBrowserTest::SetUpCommandLine(CommandLine* command_line) {
   command_line->AppendSwitch(switches::kSitePerProcess);
 };
 
 void SitePerProcessBrowserTest::SetUpOnMainThread() {
   host_resolver()->AddRule("*", "127.0.0.1");
   ASSERT_TRUE(embedded_test_server()->InitializeAndWaitUntilReady());
   SetupCrossSiteRedirector(embedded_test_server());
-  embedded_test_server()->ServeFilesFromDirectory(GetTestFilePath("files", ""));
 }
 
 // It fails on ChromeOS and Android, so disabled while investigating.
 // http://crbug.com/399775
 #if defined(OS_ANDROID) || defined(OS_CHROMEOS)
 #define MAYBE_CrossSiteIframe DISABLED_CrossSiteIframe
 #else
 #define MAYBE_CrossSiteIframe CrossSiteIframe
 #endif
 IN_PROC_BROWSER_TEST_F(SitePerProcessBrowserTest, MAYBE_CrossSiteIframe) {
@@ skipping 555 matching lines @@
     }
 
     navigation_observer.Wait();
     EXPECT_EQ(cross_site_url, observer.navigation_url());
     EXPECT_TRUE(observer.navigation_succeeded());
     EXPECT_EQ(0U, child->child_count());
   }
 }
 
 }  // namespace content