Change InMemoryContentStore to use MRUCache.

components/components_tests.gyp

 # 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': {
     # This turns on e.g. the filename-based detection of which
     # platforms to include source files on (e.g. files ending in
     # _mac.h or _mac.cc are only compiled on MacOSX).
     'chromium_code': 1,
@@ skipping 60 matching lines @@
             'captive_portal/captive_portal_detector_unittest.cc',
             'cloud_devices/common/cloud_devices_urls_unittest.cc',
             'cloud_devices/common/printer_description_unittest.cc',
             'data_reduction_proxy/browser/data_reduction_proxy_auth_request_handler_unittest.cc',
             'data_reduction_proxy/browser/data_reduction_proxy_config_service_unittest.cc',
             'data_reduction_proxy/browser/data_reduction_proxy_metrics_unittest.cc',
             'data_reduction_proxy/browser/data_reduction_proxy_params_unittest.cc',
             'data_reduction_proxy/browser/data_reduction_proxy_settings_unittest.cc',
             'data_reduction_proxy/browser/http_auth_handler_data_reduction_proxy_unittest.cc',
             'dom_distiller/core/article_entry_unittest.cc',
+            'dom_distiller/core/distilled_content_store_unittest.cc',
             'dom_distiller/core/distiller_unittest.cc',
             'dom_distiller/core/distiller_url_fetcher_unittest.cc',
             'dom_distiller/core/dom_distiller_database_unittest.cc',
             'dom_distiller/core/dom_distiller_model_unittest.cc',
             'dom_distiller/core/dom_distiller_service_unittest.cc',
             'dom_distiller/core/dom_distiller_store_unittest.cc',
             'dom_distiller/core/task_tracker_unittest.cc',
             'dom_distiller/core/url_utils_unittest.cc',
             'dom_distiller/core/viewer_unittest.cc',
             'domain_reliability/config_unittest.cc',
@@ skipping 638 matching lines @@
               'dependencies': [
                 '../base/allocator/allocator.gyp:allocator',
               ],
             }],
           ],
         },
       ],
     }],
   ],
 }