html_viewer: Move webcrypto to a place where html_viewer can use it.

components/webcrypto/test/test_helpers.h

 // Copyright 2014 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 CONTENT_CHILD_WEBCRYPTO_TEST_TEST_HELPERS_H_
-#define CONTENT_CHILD_WEBCRYPTO_TEST_TEST_HELPERS_H_
+#ifndef COMPONENTS_WEBCRYPTO_TEST_TEST_HELPERS_H_
+#define COMPONENTS_WEBCRYPTO_TEST_TEST_HELPERS_H_
 
 #include <ostream>
 #include <string>
 #include <vector>
 
 #include "base/memory/scoped_ptr.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/WebKit/public/platform/WebCryptoAlgorithm.h"
 #include "third_party/WebKit/public/platform/WebCryptoKey.h"
 
 #define EXPECT_BYTES_EQ(expected, actual) \
   EXPECT_EQ(CryptoData(expected), CryptoData(actual))
 
 #define EXPECT_BYTES_EQ_HEX(expected_hex, actual_bytes) \
   EXPECT_BYTES_EQ(HexStringToBytes(expected_hex), actual_bytes)
 
 namespace base {
 class DictionaryValue;
 class ListValue;
 class Value;
 }
 
 namespace blink {
 class WebCryptoAlgorithm;
 }
 
-namespace content {
-
 namespace webcrypto {
 
 class Status;
 class CryptoData;
 
 // These functions are used by GTEST to support EXPECT_EQ() for
 // webcrypto::Status and webcrypto::CryptoData
 
 void PrintTo(const Status& status, ::std::ostream* os);
 bool operator==(const Status& a, const Status& b);
@@ skipping 157 matching lines @@
 
 // Reads the "crv" string from a JSON test case and returns it as a
 // WebCryptoNamedCurve.
 blink::WebCryptoNamedCurve GetCurveNameFromDictionary(
     const base::DictionaryValue* dict);
 
 }  // namespace webcrypto
 
 }  // namesapce content
 
-#endif  // CONTENT_CHILD_WEBCRYPTO_TEST_TEST_HELPERS_H_
+#endif  // COMPONENTS_WEBCRYPTO_TEST_TEST_HELPERS_H_