Make the TestServer use an absolute document root path.

content/browser/web_contents/web_contents_view_aura_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/web_contents/web_contents_view_aura.h"
 
 #include "base/command_line.h"
 #include "base/run_loop.h"
 #include "base/test/test_timeouts.h"
 #include "base/utf_string_conversions.h"
@@ skipping 348 matching lines @@
 // Tests that screenshot is taken correctly when navigation causes a
 // RenderViewHost to be swapped out.
 IN_PROC_BROWSER_TEST_F(WebContentsViewAuraTest,
                        ScreenshotForSwappedOutRenderViews) {
   ASSERT_NO_FATAL_FAILURE(
       StartTestWithPage("files/overscroll_navigation.html"));
   // Create a new server with a different site.
   net::TestServer https_server(
       net::TestServer::TYPE_HTTPS,
       net::TestServer::kLocalhost,
-      base::FilePath(FILE_PATH_LITERAL("content/test/data")));
+      net::TestServer::GetSourceRelativePath(
+          base::FilePath(FILE_PATH_LITERAL("content/test/data"))));
   ASSERT_TRUE(https_server.Start());
 
   WebContentsImpl* web_contents =
       static_cast<WebContentsImpl*>(shell()->web_contents());
 
   struct {
     GURL url;
     int transition;
   } navigations[] = {
     { https_server.GetURL("files/title1.html"),
@@ skipping 24 matching lines @@
         web_contents->GetController().GetEntryAtOffset(-1));
     EXPECT_TRUE(entry->screenshot().get());
 
     entry = NavigationEntryImpl::FromNavigationEntry(
         web_contents->GetController().GetActiveEntry());
     EXPECT_FALSE(entry->screenshot().get());
   }
 }
 
 }  // namespace content