Histograms - Support histograms for Plugins, GPU

chrome/chrome_browser.gypi

 # Copyright (c) 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.
 
 {
   'targets': [
     {
       'target_name': 'browser',
       'type': 'static_library',
@@ skipping 1334 matching lines @@
         'browser/memory_details.cc',
         'browser/memory_details.h',
         'browser/memory_details_android.cc',
         'browser/memory_details_linux.cc',
         'browser/memory_details_mac.cc',
         'browser/memory_details_win.cc',
         'browser/memory_purger.cc',
         'browser/memory_purger.h',
         'browser/metrics/field_trial_synchronizer.cc',
         'browser/metrics/field_trial_synchronizer.h',
-        'browser/metrics/histogram_synchronizer.cc',
-        'browser/metrics/histogram_synchronizer.h',
         'browser/metrics/metric_event_duration_details.h',
         'browser/metrics/metrics_log.cc',
         'browser/metrics/metrics_log.h',
         'browser/metrics/metrics_log_serializer.cc',
         'browser/metrics/metrics_log_serializer.h',
         'browser/metrics/metrics_reporting_scheduler.cc',
         'browser/metrics/metrics_reporting_scheduler.h',
         'browser/metrics/metrics_response.cc',
         'browser/metrics/metrics_response.h',
         'browser/metrics/metrics_service.cc',
@@ skipping 3814 matching lines @@
         'browser/metrics/proto/study.proto',
       ],
       'variables': {
         'proto_in_dir': 'browser/metrics/proto',
         'proto_out_dir': 'chrome/browser/metrics/proto',
       },
       'includes': [ '../build/protoc.gypi' ]
     },
   ],
 }