GTTF: Make EmbeddedTestServer always use its own thread for IO

chrome/browser/ui/pdf/pdf_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 "base/file_util.h"
 #include "base/files/file_enumerator.h"
 #include "base/hash.h"
 #include "base/path_service.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
@@ skipping 26 matching lines @@
 static const int kBrowserWidth = 1000;
 static const int kBrowserHeight = 600;
 
 class PDFBrowserTest : public InProcessBrowserTest,
                        public testing::WithParamInterface<int>,
                        public content::NotificationObserver {
  public:
   PDFBrowserTest()
       : snapshot_different_(true),
         next_dummy_search_value_(0),
-        load_stop_notification_count_(0),
-        pdf_test_server_(
-            content::BrowserThread::GetMessageLoopProxyForThread(
-                content::BrowserThread::IO)) {
+        load_stop_notification_count_(0) {
     pdf_test_server_.ServeFilesFromDirectory(
         base::FilePath(FILE_PATH_LITERAL("pdf/test")));
   }
 
  protected:
   // Use our own TestServer so that we can serve files from the pdf directory.
   net::test_server::EmbeddedTestServer* pdf_test_server() {
     return &pdf_test_server_;
   }
 
@@ skipping 352 matching lines @@
       browser()->tab_strip_model()->GetActiveWebContents(),
       "reloadPDF();"));
   observer.Wait();
 
   ASSERT_EQ("success",
             browser()->tab_strip_model()->GetActiveWebContents()->
                 GetURL().query());
 }
 
 }  // namespace