Polished on side-loaded extension install alert.

chrome/browser/extensions/extension_global_error.cc

Index: chrome/browser/extensions/extension_global_error.cc
diff --git a/chrome/browser/extensions/extension_global_error.cc b/chrome/browser/extensions/extension_global_error.cc
index 3a69833851cc48d14bb17776b9f1bb3a59f393d7..ce73402b21b7751da0720ca12bc405b014359fea 100644
--- a/chrome/browser/extensions/extension_global_error.cc
+++ b/chrome/browser/extensions/extension_global_error.cc
@@ -94,8 +94,8 @@ string16 ExtensionGlobalError::GenerateMessage() {
 string16 ExtensionGlobalError::GetBubbleViewMessage() {
   if (message_.empty()) {
     message_ = GenerateMessage();
-    if (message_[message_.size()-1] == '\n')
-      message_.resize(message_.size()-1);
+    if (message_[message_.size() - 1] == '\n')
+      message_.resize(message_.size() - 1);
   }
   return message_;
 }