Move existing kSitePerProcess checks to a policy-oracle object

content/browser/cross_site_transfer_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/command_line.h"
 #include "base/strings/stringprintf.h"
 #include "content/browser/loader/resource_dispatcher_host_impl.h"
 #include "content/public/browser/navigation_entry.h"
 #include "content/public/browser/resource_dispatcher_host_delegate.h"
 #include "content/public/browser/resource_throttle.h"
 #include "content/public/browser/web_contents.h"
-#include "content/public/common/content_switches.h"
+#include "content/public/common/site_isolation_policy.h"
 #include "content/public/test/browser_test_utils.h"
 #include "content/public/test/content_browser_test.h"
 #include "content/public/test/content_browser_test_utils.h"
 #include "content/public/test/test_navigation_observer.h"
 #include "content/shell/browser/shell.h"
 #include "content/shell/browser/shell_content_browser_client.h"
 #include "content/shell/browser/shell_resource_dispatcher_host_delegate.h"
 #include "net/base/escape.h"
 #include "net/dns/mock_host_resolver.h"
 #include "net/test/embedded_test_server/embedded_test_server.h"
@@ skipping 179 matching lines @@
     else
       script = base::StringPrintf("location.href = '%s'", url.spec().c_str());
     TestNavigationObserver load_observer(shell()->web_contents(), 1);
     bool result = ExecuteScript(window->web_contents(), script);
     EXPECT_TRUE(result);
     if (should_wait_for_navigation)
       load_observer.Wait();
   }
 
   void SetUpCommandLine(base::CommandLine* command_line) override {
-    // Use --site-per-process to force process swaps for cross-site transfers.
-    command_line->AppendSwitch(switches::kSitePerProcess);
+    SiteIsolationPolicy::IsolateAllSitesForTesting(command_line);
   }
 
   void InjectResourceDisptcherHostDelegate() {
     DCHECK_CURRENTLY_ON(BrowserThread::IO);
     old_delegate_ = ResourceDispatcherHostImpl::Get()->delegate();
     ResourceDispatcherHostImpl::Get()->SetDelegate(&tracking_delegate_);
   }
 
   void RestoreResourceDisptcherHostDelegate() {
     DCHECK_CURRENTLY_ON(BrowserThread::IO);
@@ skipping 203 matching lines @@
   EXPECT_EQ(0, controller.GetCurrentEntryIndex());
   EXPECT_EQ(url1, controller.GetEntryAtIndex(0)->GetURL());
 
   // Make sure the request for url2 did not complete.
   EXPECT_FALSE(tracking_delegate().WaitForTrackedURLAndGetCompleted());
 
   shell()->web_contents()->SetDelegate(old_delegate);
 }
 
 }  // namespace content