From abcc5051f6360381e8123c8410605efaa59fe978 Mon Sep 17 00:00:00 2001
From: Gijs Kruitbosch <gijskruitbosch@gmail.com>
Date: Wed, 21 Jan 2015 14:06:40 +0000
Subject: [PATCH] Bug 1124127 - round power percentage to whole number before
 passing on, r=gsvelto

--HG--
extra : rebase_source : 69c55368a10c076e9726db9894f2d355326d9aad
---
 hal/linux/UPowerClient.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/hal/linux/UPowerClient.cpp b/hal/linux/UPowerClient.cpp
index 66dd97351e1e..3b769099d953 100644
--- a/hal/linux/UPowerClient.cpp
+++ b/hal/linux/UPowerClient.cpp
@@ -9,6 +9,7 @@
 #include <dbus/dbus-glib-lowlevel.h>
 #include <mozilla/dom/battery/Constants.h>
 #include "nsAutoRef.h"
+#include <cmath>
 
 /*
  * Helper that manages the destruction of glib objects as soon as they leave
@@ -428,14 +429,14 @@ UPowerClient::UpdateSavedInfo(GHashTable* aHashTable)
   }
 
   /*
-   * The battery level might be very close to 100% (like 99.xxxx%) without
+   * The battery level might be very close to 100% (like 99%) without
    * increasing. It seems that upower sets the battery state as 'full' in that
    * case so we should trust it and not even try to get the value.
    */
   if (isFull) {
     mLevel = 1.0;
   } else {
-    mLevel = g_value_get_double(static_cast<const GValue*>(g_hash_table_lookup(aHashTable, "Percentage")))*0.01;
+    mLevel = round(g_value_get_double(static_cast<const GValue*>(g_hash_table_lookup(aHashTable, "Percentage"))))*0.01;
   }
 
   if (isFull) {