NOT FOR COMMIT: Move background pausing to the WebView level

third_party/WebKit/public/platform/scheduler/renderer/renderer_scheduler.h

Index: third_party/WebKit/public/platform/scheduler/renderer/renderer_scheduler.h
diff --git a/third_party/WebKit/public/platform/scheduler/renderer/renderer_scheduler.h b/third_party/WebKit/public/platform/scheduler/renderer/renderer_scheduler.h
index 0f0a7d8f4b0ec4cbf3c6d1288436adfda5c303e8..e9d0bd68789fd0acace43ac22809deb34d53d72f 100644
--- a/third_party/WebKit/public/platform/scheduler/renderer/renderer_scheduler.h
+++ b/third_party/WebKit/public/platform/scheduler/renderer/renderer_scheduler.h
@@ -118,17 +118,6 @@ class BLINK_PLATFORM_EXPORT RendererScheduler : public ChildScheduler {
   // Must be called on the main thread.
   virtual void OnRendererForegrounded() = 0;
 
-  // Tells the scheduler that the render process should be suspended. This can
-  // only be done when the renderer is backgrounded. The renderer will be
-  // automatically resumed when foregrounded.
-  virtual void SuspendRenderer() = 0;
-
-  // Tells the scheduler that the render process should be resumed. This can
-  // only be done when the renderer is suspended. TabManager (in the future,
-  // MemoryCoordinator) will suspend the renderer again if continuously
-  // backgrounded.
-  virtual void ResumeRenderer() = 0;
-
   enum class NavigatingFrameType { kMainFrame, kChildFrame };
 
   // Tells the scheduler that a navigation task is pending. While any main-frame
@@ -160,10 +149,6 @@ class BLINK_PLATFORM_EXPORT RendererScheduler : public ChildScheduler {
   // if the suspension count is zero and the current schduler policy allows it.
   virtual void ResumeTimerQueue() = 0;
 
-  // Sets whether to allow suspension of timers after the backgrounded signal is
-  // received via OnRendererBackgrounded. Defaults to disabled.
-  virtual void SetTimerQueueSuspensionWhenBackgroundedEnabled(bool enabled) = 0;
-
   // Sets the default blame context to which top level work should be
   // attributed in this renderer. |blame_context| must outlive this scheduler.
   virtual void SetTopLevelBlameContext(