Bug 1411879 - Use kPMDataFormatXMLCompressed parameter into PMPageFormatCreateDataRepresentation(). r=mstange

We can use kPMDataFormatXMLCompressed parameter when storing the page format
data. As result, this preference data will be 20 times smaller.

MozReview-Commit-ID: HMQzhodQyA

--HG--
extra : rebase_source : 941a30cb346b6c15f5a02f527063a437ae0c6121

widget/cocoa/nsPrintSettingsX.mm

@@ -159,7 +159,7 @@ NS_IMETHODIMP nsPrintSettingsX::WritePageFormatToPrefs()
     return NS_ERROR_NOT_INITIALIZED;
 
   NSData* data = nil;
-  OSStatus err = ::PMPageFormatCreateDataRepresentation(pageFormat, (CFDataRef*)&data, kPMDataFormatXMLDefault);
+  OSStatus err = ::PMPageFormatCreateDataRepresentation(pageFormat, (CFDataRef*)&data, kPMDataFormatXMLCompressed);
   if (err != noErr)
     return NS_ERROR_FAILURE;