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

This will enable the installer on Windows to install the 200 percent assets.

BUG=349607
R=cpu@chromium.org, sky@chromium.org

Review URL: https://codereview.chromium.org/187823006

git-svn-id: http://src.chromium.org/svn/trunk/src/build@255448 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

common.gypi

@@ -178,8 +178,8 @@
             '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,
           }],