[scheduler] Plumb websocket information to scheduler

third_party/WebKit/Source/platform/scheduler/renderer/web_view_scheduler_impl.h

Index: third_party/WebKit/Source/platform/scheduler/renderer/web_view_scheduler_impl.h
diff --git a/third_party/WebKit/Source/platform/scheduler/renderer/web_view_scheduler_impl.h b/third_party/WebKit/Source/platform/scheduler/renderer/web_view_scheduler_impl.h
index 423100f13a68d26e85e99cd0f047a87f829578b3..32268ebbd27ed9aabf28a401c81d132b2cb6708b 100644
--- a/third_party/WebKit/Source/platform/scheduler/renderer/web_view_scheduler_impl.h
+++ b/third_party/WebKit/Source/platform/scheduler/renderer/web_view_scheduler_impl.h
@@ -63,6 +63,8 @@ class BLINK_PLATFORM_EXPORT WebViewSchedulerImpl : public WebViewScheduler {
 
   bool IsAudioPlaying() const;
 
+  void OnWebSocketConnectionUpdated();
+
   void AsValueInto(base::trace_event::TracedValue* state) const;
 
  private:
@@ -83,6 +85,11 @@ class BLINK_PLATFORM_EXPORT WebViewSchedulerImpl : public WebViewScheduler {
   // call to enable it after a grace period.
   void UpdateBackgroundThrottlingState();
 
+  // As a part of UpdateBackgroundThrottlingState set correct
+  // background_time_budget_pool_ state depending on page visibility and
+  // number of websocket connections.
+  void UpdateBackgroundBudgetPoolThrottlingState();
+
   void EnableBackgroundThrottling();
 
   std::set<WebFrameSchedulerImpl*> frame_schedulers_;
@@ -99,6 +106,8 @@ class BLINK_PLATFORM_EXPORT WebViewSchedulerImpl : public WebViewScheduler {
   bool virtual_time_;
   bool is_audio_playing_;
   bool reported_background_throttling_since_navigation_;
+  int has_websocket_connection_;

[alex clarke (OOO till 29th), 2017/01/24 18:15:34]

bool?

[altimin, 2017/01/24 18:39:04]

Done.

+  int websocket_connections_;

[alex clarke (OOO till 29th), 2017/01/24 18:15:34]

unused?

[altimin, 2017/01/24 18:39:04]

Done.

   TaskQueueThrottler::TimeBudgetPool*
       background_time_budget_pool_;  // Not owned.
   CancelableClosureHolder delayed_background_throttling_enabler_;