Don't throttle web views until they've been in the background for 10s

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 1d9b47578dfb7e415df08941952f43c6d9536960..423100f13a68d26e85e99cd0f047a87f829578b3 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
@@ -79,11 +79,11 @@ class BLINK_PLATFORM_EXPORT WebViewSchedulerImpl : public WebViewScheduler {
   static const char* VirtualTimePolicyToString(
       VirtualTimePolicy virtual_time_policy);
 
-  // Depending on page visibility, either turns budget throttling off, or
-  // schedules a call to enable it after a grace period.
-  void UpdateBackgroundBudgetThrottlingState();
+  // Depending on page visibility, either turns throttling off, or schedules a
+  // call to enable it after a grace period.
+  void UpdateBackgroundThrottlingState();
 
-  void EnableBackgroundBudgetThrottling();
+  void EnableBackgroundThrottling();
 
   std::set<WebFrameSchedulerImpl*> frame_schedulers_;
   std::set<unsigned long> pending_loads_;
@@ -92,6 +92,7 @@ class BLINK_PLATFORM_EXPORT WebViewSchedulerImpl : public WebViewScheduler {
   VirtualTimePolicy virtual_time_policy_;
   int background_parser_count_;
   bool page_visible_;
+  bool should_throttle_frames_;
   bool disable_background_timer_throttling_;
   bool allow_virtual_time_to_advance_;
   bool have_seen_loading_task_;
@@ -100,7 +101,7 @@ class BLINK_PLATFORM_EXPORT WebViewSchedulerImpl : public WebViewScheduler {
   bool reported_background_throttling_since_navigation_;
   TaskQueueThrottler::TimeBudgetPool*
       background_time_budget_pool_;  // Not owned.
-  CancelableClosureHolder delayed_background_budget_throttling_enabler_;
+  CancelableClosureHolder delayed_background_throttling_enabler_;
   WebViewScheduler::WebViewSchedulerSettings* settings_;  // Not owned.
 
   DISALLOW_COPY_AND_ASSIGN(WebViewSchedulerImpl);