Remove gtest_prod.h include from JSONReader.

base/json/json_reader.h

 // Copyright (c) 2006-2008 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.
 //
 // A JSON parser.  Converts strings of JSON into a Value object (see
 // base/values.h).
 // http://www.ietf.org/rfc/rfc4627.txt?number=4627
 //
 // Known limitations/deviations from the RFC:
 // - Only knows how to parse ints within the range of a signed 32 bit int and
@@ skipping 16 matching lines @@
 // TODO(aa): Consider making the constructor public and the static Read() method
 // only a convenience for the common uses with more complex configuration going
 // on the instance.
 
 #ifndef BASE_JSON_JSON_READER_H_
 #define BASE_JSON_JSON_READER_H_
 
 #include <string>
 
 #include "base/basictypes.h"
-#include "testing/gtest/include/gtest/gtest_prod.h"
+
+// Chromium and Chromium OS check out gtest to different places, so we're
+// unable to compile on both if we include gtest_prod.h here.  Instead, include
+// its only contents -- this will need to be updated if the macro ever changes.
+#define FRIEND_TEST(test_case_name, test_name)\
+friend class test_case_name##_##test_name##_Test
 
 class Value;
 
 namespace base {
 
 class JSONReader {
  public:
   // A struct to hold a JS token.
   class Token {
    public:
@@ skipping 133 matching lines @@
   // A parser flag that allows trailing commas in objects and arrays.
   bool allow_trailing_comma_;
 
   // Contains the error message for the last call to JsonToValue(), if any.
   std::string error_message_;
 };
 
 }  // namespace base
 
 #endif  // BASE_JSON_JSON_READER_H_