Remove pointless InProcessBrowserTest calls.

chrome/browser/permissions/permissions_browsertest.cc

 // Copyright 2016 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 "chrome/browser/permissions/permissions_browsertest.h"
 
 #include "base/command_line.h"
 #include "chrome/browser/permissions/permission_request_manager.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/permission_bubble/mock_permission_prompt_factory.h"
@@ skipping 16 matching lines @@
   manager->DisplayPendingRequests();
 
   ASSERT_TRUE(embedded_test_server()->Start());
 
   ui_test_utils::NavigateToURL(browser(),
                                embedded_test_server()->GetURL(test_url()));
 }
 
 void PermissionsBrowserTest::TearDownOnMainThread() {
   prompt_factory_.reset();
-
-  InProcessBrowserTest::TearDownOnMainThread();
 }
 
 bool PermissionsBrowserTest::RunScriptReturnBool(const std::string& script) {
   bool result;
   EXPECT_TRUE(content::ExecuteScriptAndExtractBool(
       GetWebContents()->GetMainFrame(), script, &result));
   return result;
 }
 
 content::WebContents* PermissionsBrowserTest::GetWebContents() {
@@ skipping 26 matching lines @@
 }
 
 void PermissionsBrowserTest::CommonSucceedsIfAllowed() {
   EXPECT_EQ(0, prompt_factory()->TotalRequestCount());
   prompt_factory()->set_response_type(PermissionRequestManager::ACCEPT_ALL);
   TriggerPrompt();
 
   EXPECT_TRUE(FeatureUsageSucceeds());
   EXPECT_EQ(1, prompt_factory()->TotalRequestCount());
 }