Bug 782252 - Cast some nsresult to PRUint32; r=ehsan

intl/strres/src/nsStringBundle.cpp

@@ -760,7 +760,8 @@ nsStringBundleService::FormatWithBundle(nsIStringBundle* bundle, nsresult aStatu
   // If the int key fails, try looking up the default error message. E.g. print:
   //   An unknown error has occurred (0x804B0003).
   if (NS_FAILED(rv)) {
-    nsAutoString statusStr; statusStr.AppendInt(aStatus, 16);
+    nsAutoString statusStr;
+    statusStr.AppendInt(static_cast<PRUint32>(aStatus), 16);
     const PRUnichar* otherArgArray[1];
     otherArgArray[0] = statusStr.get();
     PRUint16 code = NS_ERROR_GET_CODE(NS_ERROR_FAILURE);

layout/style/nsFontFaceLoader.cpp

@@ -745,7 +745,7 @@ nsUserFontSet::LogMessage(gfxProxyFontEntry *aProxy,
       break;
     default:
       msg.Append("status=");
-      msg.AppendInt(aStatus);
+      msg.AppendInt(static_cast<PRUint32>(aStatus));
       break;
     }
   }

toolkit/components/url-classifier/nsUrlClassifierStreamUpdater.cpp

@@ -347,7 +347,7 @@ nsUrlClassifierStreamUpdater::UpdateError(nsresult result)
   DownloadDone();
 
   nsCAutoString strResult;
-  strResult.AppendInt(result);
+  strResult.AppendInt(static_cast<PRUint32>(result));
   if (errorCallback) {
     errorCallback->HandleEvent(strResult);
   }

xpcom/base/nsErrorService.cpp

@@ -99,19 +99,20 @@ nsErrorService::GetErrorStringBundle(PRInt16 errorModule, char **result)
 NS_IMETHODIMP
 nsErrorService::RegisterErrorStringBundleKey(nsresult error, const char *stringBundleKey)
 {
-    return mErrorStringBundleKeyMap.Put(error, stringBundleKey);
+    return mErrorStringBundleKeyMap.Put(static_cast<PRUint32>(error),
+                                        stringBundleKey);
 }
 
 NS_IMETHODIMP
 nsErrorService::UnregisterErrorStringBundleKey(nsresult error)
 {
-    return mErrorStringBundleKeyMap.Remove(error);
+    return mErrorStringBundleKeyMap.Remove(static_cast<PRUint32>(error));
 }
 
 NS_IMETHODIMP
 nsErrorService::GetErrorStringBundleKey(nsresult error, char **result)
 {
-    char* value = mErrorStringBundleKeyMap.Get(error);
+    char* value = mErrorStringBundleKeyMap.Get(static_cast<PRUint32>(error));
     if (value == nullptr)
         return NS_ERROR_OUT_OF_MEMORY;
     *result = value;