Adding performance tests for HQP that represent importance of optimising HistoryItemsForTerms method

chrome/chrome_tests_unit.gypi

 # Copyright 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.
 {
   'variables': {
     'chrome_unit_tests_sources': [
       # histograms.xml is analyzed by AboutFlagsHistogramTest, so this
       # dependency is needed to make commit bots run unit_tests on
       # histograms.xml changes.
       '../tools/metrics/histograms/histograms.xml',
@@ skipping 327 matching lines @@
       'test/base/v8_unit_test.cc',
       'test/base/v8_unit_test.h',
       'test/logging/win/mof_data_parser_unittest.cc',
       'utility/image_decoder_impl_unittest.cc',
 
       # Duplicate these tests here because PathService has more items in
       # unit_tests than in base_unittests.
       '../base/path_service_unittest.cc',
 
       '../testing/gtest_mac_unittest.mm',
+      '../testing/perf/scoped_histogram_result_printer_unittest.cc',
       '../third_party/zlib/google/compression_utils_unittest.cc',
       '../third_party/zlib/google/zip_reader_unittest.cc',
       '../third_party/zlib/google/zip_unittest.cc',
       '../tools/json_schema_compiler/test/additional_properties_unittest.cc',
       '../tools/json_schema_compiler/test/any_unittest.cc',
       '../tools/json_schema_compiler/test/arrays_unittest.cc',
       '../tools/json_schema_compiler/test/callbacks_unittest.cc',
       '../tools/json_schema_compiler/test/choices_unittest.cc',
       '../tools/json_schema_compiler/test/crossref_unittest.cc',
       '../tools/json_schema_compiler/test/enums_unittest.cc',
@@ skipping 2655 matching lines @@
               'dependencies': [
                 '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
               ],
             }],
           ],
         },
       ],
     }],
   ],  # 'conditions'
 }