Remove command line/field trial support and configs for Isolate Extensions.

chrome/browser/extensions/api/web_request/web_request_apitest.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/command_line.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/strings/stringprintf.h"
 #include "build/build_config.h"
 #include "chrome/browser/chrome_notification_types.h"
@@ skipping 481 matching lines @@
   listener_pageready.Reply("");
   EXPECT_TRUE(listener_contentscript.WaitUntilSatisfied());
   EXPECT_TRUE(listener_framescript.WaitUntilSatisfied());
 
   // Collect the visited URLs. The content script and subframe does not run in
   // the extension's process, so the requests should be visible to the main
   // extension.
   listener_result.Reset();
   listener_main2.Reply("");
   EXPECT_TRUE(listener_result.WaitUntilSatisfied());
-  if (content::AreAllSitesIsolatedForTesting() ||
-      IsIsolateExtensionsEnabled()) {
-    // With --site-per-process, the extension frame does run in the extension's
-    // process.
-    EXPECT_EQ("Intercepted requests: ?contentscript",
-              listener_result.message());
-  } else {
-    EXPECT_EQ("Intercepted requests: ?contentscript, ?framescript",
-              listener_result.message());
-  }
+
+  // The extension frame does run in the extension's process.
+  EXPECT_EQ("Intercepted requests: ?contentscript", listener_result.message());
 }
 
 IN_PROC_BROWSER_TEST_F(ExtensionWebRequestApiTest, HostedAppRequest) {
   ASSERT_TRUE(StartEmbeddedTestServer());
   GURL hosted_app_url(
       embedded_test_server()->GetURL(
           "/extensions/api_test/webrequest_hosted_app/index.html"));
   scoped_refptr<Extension> hosted_app =
       ExtensionBuilder()
           .SetManifest(
@@ skipping 143 matching lines @@
 // requests when authenrication is requested by server.
 IN_PROC_BROWSER_TEST_F(ExtensionWebRequestApiTest,
                        WebSocketRequestAuthRequired) {
   ASSERT_TRUE(StartEmbeddedTestServer());
   ASSERT_TRUE(StartWebSocketServer(net::GetWebSocketTestDataDirectory(), true));
   ASSERT_TRUE(RunExtensionSubtest("webrequest", "test_websocket_auth.html"))
       << message_;
 }
 
 }  // namespace extensions