Re-add resource speculative prefetching code

chrome/chrome_browser.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': {
     # All .cc, .h, .m, and .mm files under browser except for:
     # * tests and mocks.
     # * code below browser/chromeos
     # * code below browser/extensions
@@ skipping 751 matching lines @@
       'browser/net/pref_proxy_config_tracker_impl.cc',
       'browser/net/pref_proxy_config_tracker_impl.h',
       'browser/net/probe_message.cc',
       'browser/net/probe_message.h',
       'browser/net/proxy_service_factory.cc',
       'browser/net/proxy_service_factory.h',
       'browser/net/quota_policy_channel_id_store.cc',
       'browser/net/quota_policy_channel_id_store.h',
       'browser/net/referrer.cc',
       'browser/net/referrer.h',
+      'browser/net/resource_prefetch_predictor_observer.cc',  
+      'browser/net/resource_prefetch_predictor_observer.h',
       'browser/net/safe_search_util.cc',
       'browser/net/safe_search_util.h',
       'browser/net/service_providers_win.cc',
       'browser/net/service_providers_win.h',
       'browser/net/spdyproxy/data_reduction_proxy_chrome_configurator.cc',
       'browser/net/spdyproxy/data_reduction_proxy_chrome_configurator.h',
       'browser/net/spdyproxy/data_reduction_proxy_chrome_settings.cc',
       'browser/net/spdyproxy/data_reduction_proxy_chrome_settings.h',
       'browser/net/spdyproxy/data_reduction_proxy_chrome_settings_factory.cc',
       'browser/net/spdyproxy/data_reduction_proxy_chrome_settings_factory.h',
@@ skipping 51 matching lines @@
       'browser/predictors/autocomplete_action_predictor_table.cc',
       'browser/predictors/autocomplete_action_predictor_table.h',
       'browser/predictors/logged_in_predictor_table.cc',
       'browser/predictors/logged_in_predictor_table.h',
       'browser/predictors/predictor_database.cc',
       'browser/predictors/predictor_database.h',
       'browser/predictors/predictor_database_factory.cc',
       'browser/predictors/predictor_database_factory.h',
       'browser/predictors/predictor_table_base.cc',
       'browser/predictors/predictor_table_base.h',
+      'browser/predictors/resource_prefetch_common.cc', 
+      'browser/predictors/resource_prefetch_common.h',  
+      'browser/predictors/resource_prefetch_predictor.cc',  
+      'browser/predictors/resource_prefetch_predictor.h', 
+      'browser/predictors/resource_prefetch_predictor_factory.cc',  
+      'browser/predictors/resource_prefetch_predictor_factory.h', 
+      'browser/predictors/resource_prefetch_predictor_tab_helper.cc', 
+      'browser/predictors/resource_prefetch_predictor_tab_helper.h',  
+      'browser/predictors/resource_prefetch_predictor_tables.cc', 
+      'browser/predictors/resource_prefetch_predictor_tables.h',  
+      'browser/predictors/resource_prefetcher.cc',  
+      'browser/predictors/resource_prefetcher.h', 
+      'browser/predictors/resource_prefetcher_manager.cc',  
+      'browser/predictors/resource_prefetcher_manager.h',
       'browser/pref_service_flags_storage.cc',
       'browser/pref_service_flags_storage.h',
       'browser/prefetch/prefetch.cc',
       'browser/prefetch/prefetch.h',
       'browser/prefetch/prefetch_field_trial.cc',
       'browser/prefetch/prefetch_field_trial.h',
       'browser/prefs/browser_prefs.cc',
       'browser/prefs/browser_prefs.h',
       'browser/prefs/browser_ui_prefs_migrator.cc',
       'browser/prefs/browser_ui_prefs_migrator.h',
@@ skipping 2701 matching lines @@
           'variables': {
             'proto_in_dir': 'browser/sync_file_system/drive_backend',
             'proto_out_dir': 'chrome/browser/sync_file_system/drive_backend',
           },
           'includes': [ '../build/protoc.gypi' ]
         },
       ],
     },],
   ],
 }