Hookup device dpi for ChromeOS
commit93dad6d37dc8c3a68b4950aa37b3a0da25872742
authorbshe <bshe@chromium.org>
Tue, 22 Sep 2015 01:58:14 +0000 (21 18:58 -0700)
committerCommit bot <commit-bot@chromium.org>
Tue, 22 Sep 2015 01:59:00 +0000 (22 01:59 +0000)
treee58fa579fea2e6cc6cc9b75e7f57b31b3f185784
parentd70e46331f89a6791ff3e862f00b774c7538fe71
Hookup device dpi for ChromeOS

Previously, chrome.system.display.getInfo returns a hard
coded dpi value(96). This CL hook up the correct DPI
information on ChromeOS platform.

BUG=522095

Review URL: https://codereview.chromium.org/1289043002

Cr-Commit-Position: refs/heads/master@{#350088}
ash/display/display_change_observer_chromeos.cc
ash/display/display_info.cc
ash/display/display_info.h
chrome/browser/extensions/display_info_provider_chromeos.cc
chrome/browser/extensions/display_info_provider_chromeos_unittest.cc