Add histogram for cancel button in blocked mixed content infobars.

chrome/browser/tab_contents/blocked_infobar_delegate.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/tab_contents/blocked_infobar_delegate.h"
 
 #include "base/metrics/histogram.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/render_messages.h"
@@ skipping 85 matching lines @@
 
 bool BlockedDisplayingInfoBarDelegate::Accept() {
   UMA_HISTOGRAM_ENUMERATION("MixedContent.DisplayingInfoBar",
                      BLOCKED_INFOBAR_EVENT_ALLOWED,
                      BLOCKED_INFOBAR_EVENT_LAST);
   wrapper()->Send(new ViewMsg_SetAllowDisplayingInsecureContent(
       wrapper()->routing_id(), true));
   return true;
 }
 
+bool BlockedDisplayingInfoBarDelegate::Cancel() {
+  UMA_HISTOGRAM_ENUMERATION("MixedContent.DisplayingInfoBar",
+                            BLOCKED_INFOBAR_EVENT_CANCELLED,
+                            BLOCKED_INFOBAR_EVENT_LAST);
+  return true;
+}
+
+
 BlockedRunningInfoBarDelegate::BlockedRunningInfoBarDelegate(
     TabContentsWrapper* wrapper)
     : BlockedInfoBarDelegate(
         wrapper,
         IDS_BLOCKED_RUNNING_INSECURE_CONTENT,
         IDS_ALLOW_INSECURE_CONTENT_BUTTON,
         GURL(kRunningLearnMoreURL)) {
   UMA_HISTOGRAM_ENUMERATION("MixedContent.RunningInfoBar",
                             BLOCKED_INFOBAR_EVENT_SHOWN,
                             BLOCKED_INFOBAR_EVENT_LAST);
@@ skipping 13 matching lines @@
 
 bool BlockedRunningInfoBarDelegate::Accept() {
   UMA_HISTOGRAM_ENUMERATION("MixedContent.RunningInfoBar",
                             BLOCKED_INFOBAR_EVENT_ALLOWED,
                             BLOCKED_INFOBAR_EVENT_LAST);
   wrapper()->Send(new ViewMsg_SetAllowRunningInsecureContent(
       wrapper()->routing_id(), true));
   return true;
 }
 
+bool BlockedRunningInfoBarDelegate::Cancel() {
+  UMA_HISTOGRAM_ENUMERATION("MixedContent.RunningInfoBar",
+                            BLOCKED_INFOBAR_EVENT_CANCELLED,
+                            BLOCKED_INFOBAR_EVENT_LAST);
+  return true;
+}
+