Move DnsApiTest.DnsResolveIPLiteral and DnsApiTest.DnsResolveHostname to app_shell_browsertests.

extensions/browser/api/dns/mock_host_resolver_creator.h

 // 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.
 
-#ifndef CHROME_BROWSER_EXTENSIONS_API_DNS_MOCK_HOST_RESOLVER_CREATOR_H_
-#define CHROME_BROWSER_EXTENSIONS_API_DNS_MOCK_HOST_RESOLVER_CREATOR_H_
+#ifndef EXTENSIONS_BROWSER_API_DNS_MOCK_HOST_RESOLVER_CREATOR_H_
+#define EXTENSIONS_BROWSER_API_DNS_MOCK_HOST_RESOLVER_CREATOR_H_
 
 #include <string>
 
 #include "base/memory/ref_counted.h"
 #include "base/synchronization/waitable_event.h"
 
 namespace net {
+class HostResolver;
 class MockHostResolver;
 }
 
 namespace extensions {
 
 // Used only for testing. Creates a MockHostResolver, respecting threading
 // constraints.
 class MockHostResolverCreator
     : public base::RefCountedThreadSafe<MockHostResolverCreator> {
  public:
   static const std::string kHostname;
   static const std::string kAddress;
 
   MockHostResolverCreator();
 
-  net::MockHostResolver* CreateMockHostResolver();
+  net::HostResolver* CreateMockHostResolver();
   void DeleteMockHostResolver();
 
  private:
   friend class base::RefCountedThreadSafe<MockHostResolverCreator>;
   virtual ~MockHostResolverCreator();
 
   void CreateMockHostResolverOnIOThread();
   void DeleteMockHostResolverOnIOThread();
 
   base::WaitableEvent resolver_event_;
 
   // The MockHostResolver asserts that it's used on the same thread on which
   // it's created, which is actually a stronger rule than its real counterpart.
   // But that's fine; it's good practice.
   //
   // Plain pointer because we have to manage lifetime manually.
   net::MockHostResolver* mock_host_resolver_;
 };
 
 }  // namespace extensions
 
-#endif  // CHROME_BROWSER_EXTENSIONS_API_DNS_MOCK_HOST_RESOLVER_CREATOR_H_
+#endif  // EXTENSIONS_BROWSER_API_DNS_MOCK_HOST_RESOLVER_CREATOR_H_