1 files changed, 113 insertions, 0 deletions
diff --git a/chromium/components/blocked_content/popup_tracker.h b/chromium/components/blocked_content/popup_tracker.h
new file mode 100644
index 00000000000..8366782de61
--- /dev/null
+++ b/chromium/components/blocked_content/popup_tracker.h
@@ -0,0 +1,113 @@
+// Copyright 2017 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.
+
+#ifndef COMPONENTS_BLOCKED_CONTENT_POPUP_TRACKER_H_
+#define COMPONENTS_BLOCKED_CONTENT_POPUP_TRACKER_H_
+
+#include "base/macros.h"
+#include "base/optional.h"
+#include "base/scoped_observer.h"
+#include "base/time/time.h"
+#include "components/subresource_filter/content/browser/subresource_filter_observer.h"
+#include "components/subresource_filter/content/browser/subresource_filter_observer_manager.h"
+#include "content/public/browser/web_contents_observer.h"
+#include "content/public/browser/web_contents_user_data.h"
+#include "services/metrics/public/cpp/ukm_source_id.h"
+#include "ui/base/scoped_visibility_tracker.h"
+#include "ui/base/window_open_disposition.h"
+
+namespace content {
+class WebContents;
+}
+
+namespace blocked_content {
+
+// This class tracks new popups, and is used to log metrics on the visibility
+// time of the first document in the popup.
+// TODO(csharrison): Consider adding more metrics like total visibility for the
+// lifetime of the WebContents.
+class PopupTracker : public content::WebContentsObserver,
+                     public content::WebContentsUserData<PopupTracker>,
+                     public subresource_filter::SubresourceFilterObserver {
+ public:
+  // These values are persisted to logs. Entries should not be renumbered and
+  // numeric values should never be reused.
+  enum class PopupSafeBrowsingStatus {
+    kNoValue = 0,
+    kSafe = 1,
+    kUnsafe = 2,
+    kMaxValue = kUnsafe,
+  };
+
+  static PopupTracker* CreateForWebContents(content::WebContents* contents,
+                                            content::WebContents* opener,
+                                            WindowOpenDisposition disposition);
+  ~PopupTracker() override;
+
+  void set_is_trusted(bool is_trusted) { is_trusted_ = is_trusted; }
+
+ private:
+  friend class content::WebContentsUserData<PopupTracker>;
+
+  PopupTracker(content::WebContents* contents,
+               content::WebContents* opener,
+               WindowOpenDisposition disposition);
+
+  // content::WebContentsObserver:
+  void WebContentsDestroyed() override;
+  void DidFinishNavigation(
+      content::NavigationHandle* navigation_handle) override;
+  void OnVisibilityChanged(content::Visibility visibility) override;
+  void DidGetUserInteraction(const blink::WebInputEvent::Type type) override;
+
+  // subresource_filter::SubresourceFilterObserver:
+  void OnSafeBrowsingChecksComplete(
+      content::NavigationHandle* navigation_handle,
+      const subresource_filter::SubresourceFilterSafeBrowsingClient::
+          CheckResult& result) override;
+  void OnSubresourceFilterGoingAway() override;
+
+  ScopedObserver<subresource_filter::SubresourceFilterObserverManager,
+                 subresource_filter::SubresourceFilterObserver>
+      scoped_observer_;
+
+  // Will be unset until the first navigation commits. Will be set to the total
+  // time the contents was visible at commit time.
+  base::Optional<base::TimeDelta> first_load_visible_time_start_;
+  // Will be unset until the second navigation commits. Is the total time the
+  // contents is visible while the first document is loading (after commit).
+  base::Optional<base::TimeDelta> first_load_visible_time_;
+
+  ui::ScopedVisibilityTracker visibility_tracker_;
+
+  // The number of user interactions occurring in this popup tab.
+  int num_interactions_ = 0;
+  // The number of user interacitons in a popup tab broken down into
+  // user activation and gesture scroll begin events.
+  int num_activation_events_ = 0;
+  int num_gesture_scroll_begin_events_ = 0;
+
+  // The id of the web contents that created the popup at the time of creation.
+  // SourceIds are permanent so it's okay to use at any point so long as it's
+  // not invalid.
+  const ukm::SourceId opener_source_id_;
+
+  bool is_trusted_ = false;
+
+  // Whether the pop-up navigated to a site on the safe browsing list. Set when
+  // the safe browsing checks complete.
+  PopupSafeBrowsingStatus safe_browsing_status_ =
+      PopupSafeBrowsingStatus::kNoValue;
+
+  // The window open disposition used when creating the popup.
+  const WindowOpenDisposition window_open_disposition_;
+
+  WEB_CONTENTS_USER_DATA_KEY_DECL();
+
+  DISALLOW_COPY_AND_ASSIGN(PopupTracker);
+};
+
+}  // namespace blocked_content
+
+#endif  // COMPONENTS_BLOCKED_CONTENT_POPUP_TRACKER_H_