Remove InProcessBrowserTest::SetUpOnMainThread() calls.

chrome/browser/dom_distiller/tab_utils_browsertest.cc

 // Copyright 2014 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 <string.h>
 
 #include "base/command_line.h"
 #include "base/strings/utf_string_conversions.h"
 #include "build/build_config.h"
 #include "chrome/browser/dom_distiller/dom_distiller_service_factory.h"
@@ skipping 23 matching lines @@
 namespace {
 const char* kSimpleArticlePath = "/dom_distiller/simple_article.html";
 }  // namespace
 
 class DomDistillerTabUtilsBrowserTest : public InProcessBrowserTest {
  public:
   void SetUpOnMainThread() override {
     if (!DistillerJavaScriptWorldIdIsSet()) {
       SetDistillerJavaScriptWorldId(content::ISOLATED_WORLD_ID_CONTENT_END);
     }
-    InProcessBrowserTest::SetUpOnMainThread();
   }
 
   void SetUpCommandLine(base::CommandLine* command_line) override {
     command_line->AppendSwitch(switches::kEnableDomDistiller);
   }
 };
 
 // WebContentsMainFrameHelper is used to detect if a distilled page has
 // finished loading. This is done by checking how many times the title has
 // been set rather than using "DidFinishLoad" directly due to the content
@@ skipping 118 matching lines @@
                                     "document.title")->GetAsString(&page_title);
   EXPECT_EQ("Test Page Title", page_title);
 
   content::WebContentsDestroyedWatcher destroyed_watcher(
       destination_web_contents);
   browser()->tab_strip_model()->CloseWebContentsAt(1, 0);
   destroyed_watcher.Wait();
 }
 
 }  // namespace dom_distiller