The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/fd807928ac88de3ee26e9426e07ed817ee846829

commit fd807928ac88de3ee26e9426e07ed817ee846829
Author: Brett Wilson <brettw@chromium.org>
Date: Wed Sep 06 22:11:17 2017

Remove tracked_objects::ScopedTracker instantiations.

Removes the ScopedTracker calls since we are deleting this infrastructure.
This saves about 25KB in an official build.

Design doc:
https://docs.google.com/document/d/1cibE5nAG9sdjVMfs-MkvrMtp43i9MLGqM_uNusLqiBY

Bug:  762311 
Cq-Include-Trybots: master.tryserver.chromium.android:android_optional_gpu_tests_rel;master.tryserver.chromium.linux:linux_optional_gpu_tests_rel;master.tryserver.chromium.mac:mac_optional_gpu_tests_rel;master.tryserver.chromium.win:win_optional_gpu_tests_rel
Change-Id: Id00f88d4b7c8c14d51b20d9b53dc233189bdb049
Reviewed-on: https://chromium-review.googlesource.com/651337
Reviewed-by: Alexei Svitkine <asvitkine@chromium.org>
Commit-Queue: Brett Wilson <brettw@chromium.org>
Cr-Commit-Position: refs/heads/master@{#500108}
[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/chrome/browser/background/background_contents.cc
[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/chrome/browser/chrome_browser_main.cc
[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/chrome/browser/net/chrome_network_delegate.cc
[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/chrome/browser/password_manager/password_store_win.cc
[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/chrome/browser/policy/cloud/user_policy_signin_service.cc
[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/chrome/browser/profiles/avatar_menu.cc
[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/chrome/browser/profiles/profile_info_cache.cc
[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/chrome/browser/signin/mutable_profile_oauth2_token_service_delegate.cc
[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/chrome/browser/ui/app_list/app_list_view_delegate.cc
[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/chrome/browser/ui/browser.cc
[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/chrome/browser/ui/cocoa/tab_contents/chrome_web_contents_view_delegate_mac.mm
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[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/chrome/browser/ui/webui/signin_internals_ui.cc
[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/chrome/common/channel_info.cc
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[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/components/search_engines/template_url_service.cc
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[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/components/signin/core/browser/account_fetcher_service.cc
[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/components/translate/core/browser/translate_manager.cc
[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/components/translate/core/browser/translate_ranker_impl.cc
[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/components/webdata/common/web_data_request_manager.cc
[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/content/app/content_main_runner.cc
[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/content/browser/appcache/appcache_storage_impl.cc
[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/content/browser/appcache/chrome_appcache_service.cc
[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/content/browser/browser_thread_impl.cc
[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/content/browser/compositor/gpu_process_transport_factory.cc
[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/content/browser/gpu/browser_gpu_channel_host_factory.cc
[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/content/browser/loader/resource_dispatcher_host_impl.cc
[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/content/browser/net/quota_policy_cookie_store.cc
[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/content/browser/renderer_host/media/media_devices_manager.cc
[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/content/browser/renderer_host/media/media_stream_manager.cc
[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/content/browser/renderer_host/pepper/pepper_tcp_socket_message_filter.cc
[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/content/browser/service_worker/service_worker_context_wrapper.cc
[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/content/browser/service_worker/service_worker_dispatcher_host.cc
[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/content/browser/web_contents/web_contents_impl.cc
[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/content/browser/webui/url_data_manager_backend.cc
[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/content/common/font_cache_dispatcher_win.cc
[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/device/bluetooth/bluetooth_adapter_mac.mm
[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/extensions/browser/extension_host.cc
[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/google_apis/gaia/account_tracker.cc
[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/google_apis/gaia/identity_provider.cc
[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/google_apis/gaia/oauth2_token_service.cc
[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/google_apis/gaia/oauth2_token_service_delegate.cc
[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/google_apis/gcm/engine/connection_factory_impl.cc
[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/google_apis/gcm/engine/gcm_store_impl.cc
[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/gpu/ipc/client/command_buffer_proxy_impl.cc
[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/ios/chrome/browser/net/ios_chrome_network_delegate.cc
[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/ios/chrome/common/channel_info.mm
[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/ipc/ipc_channel_proxy.cc
[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/media/capture/video/mac/video_capture_device_factory_mac.mm
[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/media/device_monitors/device_monitor_mac.mm
[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/net/base/file_stream_context.cc
[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/net/base/file_stream_context_posix.cc
[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/net/base/network_delegate.cc
[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/net/cert/x509_certificate.cc
[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/net/cookies/cookie_monster.cc
[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/net/disk_cache/blockfile/in_flight_io.cc
[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/net/dns/dns_transaction.cc
[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/net/dns/host_resolver_impl.cc
[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/net/http/http_network_transaction.cc
[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/net/http/http_stream_factory_impl_job.cc
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[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/net/proxy/dhcp_proxy_script_fetcher_win.cc
[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/net/socket/ssl_client_socket_impl.cc
[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/net/socket/ssl_client_socket_pool.cc
[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/net/socket/tcp_client_socket.cc
[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/net/socket/tcp_socket_win.cc
[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/net/spdy/chromium/spdy_session.cc
[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/net/url_request/url_fetcher_core.cc
[modify] https://crrev.com/fd807928ac88de3ee26e9426e07ed817ee846829/net/url_request/url_request.cc
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