From dbeceecde2ac036d12aece182a3a12ee67be7175 Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <email@mattatobin.com>
Date: Thu, 6 Feb 2020 09:34:25 -0500
Subject: Issue #65 - Remove AppConstants from toolkit/components/thumbnails

---
 toolkit/components/thumbnails/PageThumbUtils.jsm | 5 +++--
 toolkit/components/thumbnails/moz.build          | 2 +-
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/toolkit/components/thumbnails/PageThumbUtils.jsm b/toolkit/components/thumbnails/PageThumbUtils.jsm
index dda3a81b3..fb5d67ddb 100644
--- a/toolkit/components/thumbnails/PageThumbUtils.jsm
+++ b/toolkit/components/thumbnails/PageThumbUtils.jsm
@@ -14,7 +14,6 @@ const { classes: Cc, interfaces: Ci, utils: Cu } = Components;
 Cu.import("resource://gre/modules/XPCOMUtils.jsm", this);
 Cu.import("resource://gre/modules/Services.jsm");
 Cu.import("resource://gre/modules/Promise.jsm", this);
-Cu.import("resource://gre/modules/AppConstants.jsm");
 
 XPCOMUtils.defineLazyModuleGetter(this, "BrowserUtils",
   "resource://gre/modules/BrowserUtils.jsm");
@@ -72,15 +71,17 @@ this.PageThumbUtils = {
       let windowScale = aWindow ? aWindow.devicePixelRatio : systemScale;
       let scale = Math.max(systemScale, windowScale);
 
+#ifdef XP_MACOSX
       /** *
        * On retina displays, we can sometimes go down this path
        * without a window object. In those cases, force 2x scaling
        * as the system scale doesn't represent the 2x scaling
        * on OS X.
        */
-      if (AppConstants.platform == "macosx" && !aWindow) {
+      if (!aWindow) {
         scale = 2;
       }
+#endif
 
       /** *
        * THESE VALUES ARE DEFINED IN newtab.css and hard coded.
diff --git a/toolkit/components/thumbnails/moz.build b/toolkit/components/thumbnails/moz.build
index e4a178998..bd7c1d344 100644
--- a/toolkit/components/thumbnails/moz.build
+++ b/toolkit/components/thumbnails/moz.build
@@ -15,11 +15,11 @@ EXTRA_COMPONENTS += [
 EXTRA_JS_MODULES += [
     'PageThumbs.jsm',
     'PageThumbsWorker.js',
-    'PageThumbUtils.jsm',
 ]
 
 EXTRA_PP_JS_MODULES += [
     'BackgroundPageThumbs.jsm',
+    'PageThumbUtils.jsm',
 ]
 
 
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