Add a RAPPOR metric to track where users click to allow mixed scripts.

chrome/browser/ui/content_settings/content_setting_bubble_model.cc

Index: chrome/browser/ui/content_settings/content_setting_bubble_model.cc
diff --git a/chrome/browser/ui/content_settings/content_setting_bubble_model.cc b/chrome/browser/ui/content_settings/content_setting_bubble_model.cc
index bdc7df799563be57ae400c71306f41395bd38395..811f57fbbfb29fb2b731a6e29bdd8e6657507311 100644
--- a/chrome/browser/ui/content_settings/content_setting_bubble_model.cc
+++ b/chrome/browser/ui/content_settings/content_setting_bubble_model.cc
@@ -7,6 +7,7 @@
 #include "base/command_line.h"
 #include "base/prefs/pref_service.h"
 #include "base/strings/utf_string_conversions.h"
+#include "chrome/browser/browser_process.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/content_settings/chrome_content_settings_utils.h"
 #include "chrome/browser/content_settings/cookie_settings.h"
@@ -28,6 +29,7 @@
 #include "components/content_settings/content/common/content_settings_messages.h"
 #include "components/content_settings/core/browser/content_settings_utils.h"
 #include "components/content_settings/core/common/content_settings.h"
+#include "components/rappor/rappor_utils.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/browser/render_process_host.h"
@@ -1003,6 +1005,12 @@ void ContentSettingMixedScriptBubbleModel::OnCustomLinkClicked() {
       new ChromeViewMsg_SetAllowRunningInsecureContent(MSG_ROUTING_NONE, true));
   web_contents()->GetMainFrame()->Send(new ChromeViewMsg_ReloadFrame(
       web_contents()->GetMainFrame()->GetRoutingID()));
+
+  // During an interstitial, the shield applies to the last committed URL.

[felt, 2015/05/22 20:59:34]

what is this comment here for? to explain why you're using GetLastCommittedURL
instead of GetVisibleURL?

[lgarron, 2015/06/03 03:19:55]

Yeah, exactly. (I would have put the comment below, but up here seemed better.)

+  rappor::SampleDomainAndRegistryFromGURL(
+      g_browser_process->rappor_service(),
+      "ContentSettings.MixedScript.UserClickedAllow",
+      web_contents()->GetLastCommittedURL());
 }
 
 ContentSettingRPHBubbleModel::ContentSettingRPHBubbleModel(