Ensure all content_browsertests call the host resolver in SetUpOnMainThread and not after.

content/browser/android/render_widget_host_connector_browsertest.cc

 // Copyright 2017 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/android/render_widget_host_connector_browsertest.h"
 
 #include "content/browser/frame_host/interstitial_page_impl.h"
 #include "content/public/browser/interstitial_page_delegate.h"
 #include "content/public/test/browser_test_utils.h"
 #include "content/public/test/content_browser_test_utils.h"
@@ skipping 10 matching lines @@
  private:
   // InterstitialPageDelegate implementation.
   std::string GetHTMLContents() override { return "<p>Interstitial</p>"; }
 };
 
 }  // namespace
 
 RenderWidgetHostConnectorTest::RenderWidgetHostConnectorTest() {}
 
 void RenderWidgetHostConnectorTest::SetUpOnMainThread() {
-  host_resolver()->AddRule("*", "127.0.0.1");
-  SetupCrossSiteRedirector(embedded_test_server());
   ASSERT_TRUE(embedded_test_server()->Start());
 }
 
 IN_PROC_BROWSER_TEST_F(RenderWidgetHostConnectorTest,
                        RenderViewCreatedBeforeConnector) {
   GURL main_url(embedded_test_server()->GetURL("/page_with_popup.html"));
   EXPECT_TRUE(NavigateToURL(shell(), main_url));
 
   // Navigate to the enclosed <iframe>.
   FrameTreeNode* iframe = web_contents()->GetFrameTree()->root()->child_at(0);
@@ skipping 86 matching lines @@
   RenderWidgetHostViewAndroid* rwhva = render_widget_host_view_android();
   RenderWidgetHostConnector* connector = render_widget_host_connector();
   EXPECT_EQ(connector, connector_in_rwhva(rwhva));
 
   // Generate WebContentsObserver::WebContentsDestroyed by closing the contents.
   web_contents()->Close();
   EXPECT_EQ(nullptr, connector_in_rwhva(rwhva));
 }
 
 }  // namespace content