The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/5057ca3b14b295bfb632538ab4e7e681790e5d9b

commit 5057ca3b14b295bfb632538ab4e7e681790e5d9b
Author: pmonette <pmonette@chromium.org>
Date: Mon Jul 04 16:48:40 2016

Add the Windows.IsPinnedToTaskbar metric.

This metric records the taskbar pinned state of Chrome for the current
user. Because the code loads shell extensions into the process, this
is done on a utility process.

BUG= 621662 

Review-Url: https://codereview.chromium.org/2079233004
Cr-Commit-Position: refs/heads/master@{#403695}

[modify] https://crrev.com/5057ca3b14b295bfb632538ab4e7e681790e5d9b/base/base_paths_win.cc
[modify] https://crrev.com/5057ca3b14b295bfb632538ab4e7e681790e5d9b/base/base_paths_win.h
[modify] https://crrev.com/5057ca3b14b295bfb632538ab4e7e681790e5d9b/chrome/app/generated_resources.grd
[modify] https://crrev.com/5057ca3b14b295bfb632538ab4e7e681790e5d9b/chrome/browser/metrics/chrome_browser_main_extra_parts_metrics.cc
[modify] https://crrev.com/5057ca3b14b295bfb632538ab4e7e681790e5d9b/chrome/browser/shell_integration_win.cc
[modify] https://crrev.com/5057ca3b14b295bfb632538ab4e7e681790e5d9b/chrome/browser/shell_integration_win.h
[modify] https://crrev.com/5057ca3b14b295bfb632538ab4e7e681790e5d9b/chrome/chrome_common.gypi
[modify] https://crrev.com/5057ca3b14b295bfb632538ab4e7e681790e5d9b/chrome/chrome_utility.gypi
[modify] https://crrev.com/5057ca3b14b295bfb632538ab4e7e681790e5d9b/chrome/common/BUILD.gn
[modify] https://crrev.com/5057ca3b14b295bfb632538ab4e7e681790e5d9b/chrome/common/OWNERS
[add] https://crrev.com/5057ca3b14b295bfb632538ab4e7e681790e5d9b/chrome/common/shell_handler_win.mojom
[modify] https://crrev.com/5057ca3b14b295bfb632538ab4e7e681790e5d9b/chrome/utility/DEPS
[modify] https://crrev.com/5057ca3b14b295bfb632538ab4e7e681790e5d9b/chrome/utility/chrome_content_utility_client.cc
[rename] https://crrev.com/5057ca3b14b295bfb632538ab4e7e681790e5d9b/chrome/utility/ipc_shell_handler_win.cc
[add] https://crrev.com/5057ca3b14b295bfb632538ab4e7e681790e5d9b/chrome/utility/ipc_shell_handler_win.h
[add] https://crrev.com/5057ca3b14b295bfb632538ab4e7e681790e5d9b/chrome/utility/shell_handler_impl_win.cc
[add] https://crrev.com/5057ca3b14b295bfb632538ab4e7e681790e5d9b/chrome/utility/shell_handler_impl_win.h
[delete] https://crrev.com/b28500a5befe6dd43b3ada37bee3a13d67b9f733/chrome/utility/shell_handler_win.h
[modify] https://crrev.com/5057ca3b14b295bfb632538ab4e7e681790e5d9b/tools/metrics/histograms/histograms.xml