Experience sampling insturmentation for SSL and Safe Browsing interstitials

chrome/browser/extensions/api/experience_sampling_private/experience_sampling.cc

 // Copyright 2014 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/extensions/api/experience_sampling_private/experience_sampling.h"
 
 #include "base/values.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_manager.h"
@@ skipping 43 matching lines @@
   ui_element_.time = base::Time::Now().ToJsTime();
 }
 
 ExperienceSamplingEvent::~ExperienceSamplingEvent() {
 }
 
 void ExperienceSamplingEvent::CreateUserDecisionEvent(
     const std::string& decision_name) {
   // Check if this is from an incognito context. If it is, don't create and send
   // any events.
-  if (browser_context_->IsOffTheRecord())
+  if (browser_context_ && browser_context_->IsOffTheRecord())
     return;
   api::experience_sampling_private::UserDecision decision;
   decision.name = decision_name;
   decision.learn_more = has_viewed_learn_more();
   decision.details = has_viewed_details();
   decision.time = base::Time::Now().ToJsTime();
 
   scoped_ptr<base::ListValue> args(new base::ListValue());
   args->Append(ui_element_.ToValue().release());
   args->Append(decision.ToValue().release());
   scoped_ptr<Event> event(new Event(
       api::experience_sampling_private::OnDecision::kEventName, args.Pass()));
-  EventRouter::Get(browser_context_)->BroadcastEvent(event.Pass());
+  EventRouter* router = EventRouter::Get(browser_context_);
+  if (router)
+    router->BroadcastEvent(event.Pass());
 }
 
 void ExperienceSamplingEvent::CreateOnDisplayedEvent() {
   // Check if this is from an incognito context. If it is, don't create and send
   // any events.
-  if (browser_context_->IsOffTheRecord())
+  if (browser_context_ && browser_context_->IsOffTheRecord())
     return;
   scoped_ptr<base::ListValue> args(new base::ListValue());
   args->Append(ui_element_.ToValue().release());
   scoped_ptr<Event> event(new Event(
       api::experience_sampling_private::OnDisplayed::kEventName, args.Pass()));
-  EventRouter::Get(browser_context_)->BroadcastEvent(event.Pass());
+  EventRouter* router = EventRouter::Get(browser_context_);
+  if (router)
+    router->BroadcastEvent(event.Pass());
 }
 
 }  // namespace extensions