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

 // Copyright 2015 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 THIRD_PARTY_WEBKIT_SOURCE_PLATFORM_SCHEDULER_RENDERER_WEB_VIEW_SCHEDULER_IMPL_H_
 #define THIRD_PARTY_WEBKIT_SOURCE_PLATFORM_SCHEDULER_RENDERER_WEB_VIEW_SCHEDULER_IMPL_H_
 
 #include <memory>
 #include <set>
 #include <string>
@@ skipping 61 matching lines @@
   void MaybeInitializeBackgroundTimeBudgetPool();
 
   void setAllowVirtualTimeToAdvance(bool allow_virtual_time_to_advance);
   void ApplyVirtualTimePolicy();
 
   void OnThrottlingReported(base::TimeDelta throttling_duration);
 
   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_;
   WebScheduler::InterventionReporter* intervention_reporter_;  // Not owned.
   RendererSchedulerImpl* renderer_scheduler_;
   VirtualTimePolicy virtual_time_policy_;
   int background_parser_count_;
   bool page_visible_;
   bool disable_background_timer_throttling_;
   bool allow_virtual_time_to_advance_;
   bool have_seen_loading_task_;
   bool virtual_time_;
   bool is_audio_playing_;
   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);
 };
 
 }  // namespace scheduler
 }  // namespace blink
 
 #endif  // THIRD_PARTY_WEBKIT_SOURCE_PLATFORM_SCHEDULER_RENDERER_WEB_VIEW_SCHEDULER_IMPL_H_