Bug 1403653 - Part 2 - Split out conversion from ColorRes to ColorInt into separate function. r=nechen

MozReview-Commit-ID: 8tDBT7kR9XF

--HG--
extra : rebase_source : aba767491182f5066d3cc3988c822366f40ec145

mobile/android/base/java/org/mozilla/gecko/util/WindowUtil.java

@@ -7,6 +7,7 @@ package org.mozilla.gecko.util;
 
 import android.app.Activity;
 import android.os.Build;
+import android.support.annotation.ColorInt;
 import android.support.annotation.ColorRes;
 import android.support.v4.content.ContextCompat;
 import android.view.View;
@@ -20,7 +21,7 @@ public class WindowUtil {
         if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) {
             return;
         }
-        setStatusBarColor(activity, R.color.status_bar_bg_color_tabs_tray, true);
+        setStatusBarColorRes(activity, R.color.status_bar_bg_color_tabs_tray, true);
     }
 
     public static void setStatusBarColor(final Activity activity, final boolean isPrivate) {
@@ -28,7 +29,7 @@ public class WindowUtil {
             return;
         }
 
-        final int colorResId;
+        final @ColorRes int colorResId;
         final boolean isDarkTheme;
 
         if (HardwareUtils.isTablet()) {
@@ -38,17 +39,22 @@ public class WindowUtil {
             colorResId = isPrivate ? R.color.status_bar_bg_color_private : R.color.status_bar_bg_color;
             isDarkTheme = isPrivate;
         }
-        setStatusBarColor(activity, colorResId, isDarkTheme);
+        setStatusBarColorRes(activity, colorResId, isDarkTheme);
     }
 
-    public static void setStatusBarColor(final Activity activity, @ColorRes final int colorResId,
+    public static void setStatusBarColorRes(final Activity activity, final @ColorRes int colorResId,
+                                            final boolean isDarkTheme) {
+        final int backgroundColor = ContextCompat.getColor(activity, colorResId);
+        setStatusBarColor(activity, backgroundColor, isDarkTheme);
+    }
+
+    public static void setStatusBarColor(final Activity activity, final @ColorInt int backgroundColor,
                                          final boolean isDarkTheme) {
         if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) {
             return;
         }
 
         final Window window = activity.getWindow();
-        final int backgroundColor = ContextCompat.getColor(activity, colorResId);
         window.setStatusBarColor(backgroundColor);
 
         final View view = window.getDecorView();