--- a/widget/nsIGfxInfo.idl
+++ b/widget/nsIGfxInfo.idl
@@ -13,46 +13,46 @@ interface nsIGfxInfo : nsISupports
   /*
    * These are win32-specific
    */
   readonly attribute boolean D2DEnabled;
   readonly attribute boolean DWriteEnabled;
   readonly attribute DOMString DWriteVersion;
   readonly attribute DOMString cleartypeParameters;
 
-  // XXX: Switch to a list of devices, rather than explicitly numbering them. 
+  // XXX: Switch to a list of devices, rather than explicitly numbering them.
 
   /**
    * The name of the display adapter.
    */
   readonly attribute DOMString adapterDescription;
   readonly attribute DOMString adapterDescription2;
 
   readonly attribute DOMString adapterDriver;
   readonly attribute DOMString adapterDriver2;
-  
+
   /* These types are inspired by DXGI_ADAPTER_DESC */
   readonly attribute DOMString adapterVendorID;
   readonly attribute DOMString adapterVendorID2;
-  
+
   readonly attribute DOMString adapterDeviceID;
   readonly attribute DOMString adapterDeviceID2;
 
   readonly attribute DOMString adapterSubsysID;
   readonly attribute DOMString adapterSubsysID2;
 
   /**
    * The amount of RAM in MB in the display adapter.
    */
   readonly attribute DOMString adapterRAM;
   readonly attribute DOMString adapterRAM2;
-  
+
   readonly attribute DOMString adapterDriverVersion;
   readonly attribute DOMString adapterDriverVersion2;
-  
+
   readonly attribute DOMString adapterDriverDate;
   readonly attribute DOMString adapterDriverDate2;
 
   readonly attribute boolean isGPU2Active;
 
   /**
    * Returns an array of objects describing each monitor. Guaranteed properties
    * are "screenWidth" and "screenHeight". This is only implemented on Desktop.
@@ -139,17 +139,17 @@ interface nsIGfxInfo : nsISupports
    * Ask about a feature, and return the status of that feature.
    * If the feature is not ok then aFailureId will give a unique failure Id
    * otherwise it will be empty.
    */
   long getFeatureStatus(in long aFeature, [optional] out ACString aFailureId);
 
   /*
    * Ask about a feature, return the minimum driver version required for it if its status is
-   * FEATURE_BLOCKED_DRIVER_VERSION, otherwise return an empty string. 
+   * FEATURE_BLOCKED_DRIVER_VERSION, otherwise return an empty string.
    */
   DOMString getFeatureSuggestedDriverVersion(in long aFeature);
 
   /**
    * WebGL info; valid params are "full-renderer", "vendor", "renderer", "version",
    * "shading_language_version", "extensions".  These return info from
    * underlying GL impl that's used to implement WebGL.
    */