content::ResourceType clean up

extensions/browser/api/declarative_webrequest/webrequest_condition_attribute_unittest.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 "extensions/browser/api/declarative_webrequest/webrequest_condition_attribute.h"
 
 #include <stddef.h>
 
 #include <memory>
 #include <utility>
@@ skipping 10 matching lines @@
 #include "net/test/embedded_test_server/embedded_test_server.h"
 #include "net/url_request/url_request.h"
 #include "net/url_request/url_request_test_util.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using base::DictionaryValue;
 using base::FundamentalValue;
 using base::ListValue;
 using base::StringValue;
 using base::Value;
-using content::ResourceType;
 
 namespace extensions {
 
 namespace keys = declarative_webrequest_constants;
 
 namespace {
 const char kUnknownConditionName[] = "unknownType";
 
 base::FilePath TestDataPath(base::StringPiece relative_to_src) {
   base::FilePath src_dir;
@@ skipping 672 matching lines @@
   };
   const size_t kExistingSize[] = { arraysize(kExisting) };
   GetArrayAsVector(kExisting, kExistingSize, 1u, &tests);
   MatchAndCheck(tests, keys::kExcludeResponseHeadersKey, stage,
                 url_request.get(), &result);
   EXPECT_FALSE(result);
 }
 
 }  // namespace
 }  // namespace extensions