Ensure that the chrome_200_percent.pak file is copied over to the destination folder on Windows.

build/common.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.
 
 # IMPORTANT:
 # Please don't directly include this file if you are building via gyp_chromium,
 # since gyp_chromium is automatically forcing its inclusion.
 {
   # Variables expected to be overriden on the GYP command line (-D) or by
   # ~/.gyp/include.gypi.
@@ skipping 160 matching lines @@
             'toolkit_views%': 0,
           }],
 
           # Set toolkit_uses_gtk for the Chromium browser on Linux.
           ['desktop_linux==1 and use_aura==0 and use_ozone==0', {
             'toolkit_uses_gtk%': 1,
           }, {
             'toolkit_uses_gtk%': 0,
           }],
 
-          # Enable HiDPI on Mac OS and Chrome OS.
-          ['OS=="mac" or chromeos==1', {
+          # Enable HiDPI on Mac OS, Chrome OS and Windows.
+          ['OS=="mac" or chromeos==1 or OS=="win"', {
             'enable_hidpi%': 1,
           }],
 
           # Enable App Launcher on ChromeOS, Windows and OSX.
           # On Linux, enable App Launcher for the Aura build.
           ['use_ash==1 or OS=="win" or OS=="mac" or (desktop_linux==1 and use_aura==1)', {
             'enable_app_list%': 1,
           }, {
             'enable_app_list%': 0,
           }],
@@ skipping 4840 matching lines @@
     # settings in target dicts.  SYMROOT is a special case, because many other
     # Xcode variables depend on it, including variables such as
     # PROJECT_DERIVED_FILE_DIR.  When a source group corresponding to something
     # like PROJECT_DERIVED_FILE_DIR is added to a project, in order for the
     # files to appear (when present) in the UI as actual files and not red
     # red "missing file" proxies, the correct path to PROJECT_DERIVED_FILE_DIR,
     # and therefore SYMROOT, needs to be set at the project level.
     'SYMROOT': '<(DEPTH)/xcodebuild',
   },
 }