Bug 955613 - bubbles shouldn't fade in when displayed in the log viewer, r=aleth.

im/content/viewlog.js

@@ -136,6 +136,7 @@ var logWindow = {
     if (aTopic != "conversation-loaded" || aSubject != browser)
       return;
     browser._autoScrollEnabled = false;
+    browser.contentDocument.getElementById("Chat").classList.add("log");
 
     let count = {};
     let messages = browser._conv.getMessagesEnumerator(count);

im/themes/messages/bubbles/main.css

@@ -23,7 +23,7 @@ p {
   box-shadow: rgba(0, 0, 0, 0.3) 1px 1px 3px;
 }
 
-.bubble:not(.context):not(.event) {
+#Chat:not(.log) > .bubble:not(.context):not(.event) {
   -moz-animation-duration: 0.5s;
   -moz-animation-name: fadein;
   -moz-animation-iteration-count: 1;