Updated multiple item notification view to match latest mockups

ui/message_center/message_center_constants.cc

Index: ui/message_center/message_center_constants.cc
diff --git a/chrome/browser/jankometer_android.cc b/ui/message_center/message_center_constants.cc
similarity index 53%
copy from chrome/browser/jankometer_android.cc
copy to ui/message_center/message_center_constants.cc
index 6a57f05ca3c493bd9358ada4879a96a17c85dc60..97d62181c8bbb38b5a404a1ad49cc043ca42eba3 100644
--- a/chrome/browser/jankometer_android.cc
+++ b/ui/message_center/message_center_constants.cc
@@ -2,10 +2,10 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "chrome/browser/jankometer.h"
+#include "ui/message_center/message_center_constants.h"
 
-void InstallJankometer(const CommandLine& parsed_command_line) {
-}
+namespace message_center {
 
-void UninstallJankometer() {
-}
+const int kNotificationIconWidth = 80;
+
+}  // namespace message_center