Detect seek penalties on Linux/ChromeOS.

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
     # These variables are so the file lists can be shared with the GN build.

[Dan Beam, 2015/04/03 22:47:09]

^

     # There are two sections of sources:
     # * "Platform"-based sources (OS, toolkit, etc.)
     # * Feature/directory-based sources (e.g., history, printing)
 
     ### Platform-based sources ###
 
     # The set of sources used on all platforms but iOS that aren't listed in
     # more specific variables below.
     'chrome_browser_non_ios_sources': [
       'browser/about_flags.cc',
@@ skipping 1753 matching lines @@
       'browser/metrics/variations/generated_resources_map_lookup.cc',
       'browser/metrics/variations/variations_registry_syncer_win.cc',
       'browser/metrics/variations/variations_registry_syncer_win.h',
       'browser/metrics/variations/variations_request_scheduler.cc',
       'browser/metrics/variations/variations_request_scheduler.h',
       'browser/metrics/variations/variations_seed_store.cc',
       'browser/metrics/variations/variations_seed_store.h',
       'browser/metrics/variations/variations_service.cc',
       'browser/metrics/variations/variations_service.h',
     ],
+    'chrome_browser_metrics_non_android_sources': [
+      'browser/metrics/drive_metrics_provider_linux.cc',
+    ],
     'chrome_browser_nacl_sources': [
       'browser/component_updater/pnacl/pnacl_component_installer.cc',
       'browser/component_updater/pnacl/pnacl_component_installer.h',
       'browser/nacl_host/nacl_browser_delegate_impl.cc',
       'browser/nacl_host/nacl_browser_delegate_impl.h',
       'browser/nacl_host/nacl_infobar_delegate.cc',
       'browser/nacl_host/nacl_infobar_delegate.h',
     ],
     'chrome_browser_net_sources': [
       'browser/net/about_protocol_handler.cc',
@@ skipping 1377 matching lines @@
             ],
             # CoreImage is iOS 5+, but iOS 4.3 is still supported.
             'xcode_settings': {'OTHER_LDFLAGS': ['-weak_framework CoreImage']},
           },
         }],
         ['OS=="win" or OS=="mac"', {
           'sources': [
             '<@(chrome_browser_win_mac_sources)',
           ],
         }],
+        ['OS!="android"', {

[Lei Zhang, 2015/04/03 22:45:57]

GN

+          'sources': [
+            '<@(chrome_browser_metrics_non_android_sources)',
+          ],
+        }],
         ['OS!="android" and OS!="ios" and chromeos==0 and configuration_policy==1', {
           'sources': [
             'browser/net/disk_cache_dir_policy_handler.cc',
             'browser/net/disk_cache_dir_policy_handler.h',
           ],
         }],
         ['OS!="android" and OS!="ios" and configuration_policy==1', {
           'sources': [
             'browser/download/download_dir_policy_handler.cc',
             'browser/download/download_dir_policy_handler.h',
@@ skipping 625 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' ]
         },
       ],
     },],
   ],
 }