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

third_party/WebKit/Source/platform/WebFrameScheduler.h

Index: third_party/WebKit/Source/platform/WebFrameScheduler.h
diff --git a/third_party/WebKit/Source/platform/WebFrameScheduler.h b/third_party/WebKit/Source/platform/WebFrameScheduler.h
index 899d78e630d223cf4b8175492253df6bdad2cbe2..069fedf6b2bbc6dd2eac8d1e6ed62e3edc2c383f 100644
--- a/third_party/WebKit/Source/platform/WebFrameScheduler.h
+++ b/third_party/WebKit/Source/platform/WebFrameScheduler.h
@@ -19,10 +19,9 @@ class WebFrameScheduler {
   // The scheduler may throttle tasks associated with offscreen frames.
   virtual void setFrameVisible(bool) {}
 
-  // Tells the scheduler that the page this frame belongs to is not visible.
-  // The scheduler may throttle tasks associated with pages that are not
-  // visible.
-  virtual void setPageVisible(bool) {}
+  // Tells the scheduler that the page this frame belongs to supposed to be
+  // throttled (because it's not been visible for a few seconds).
+  virtual void setPageThrottled(bool) {}
 
   // Set whether this frame is suspended. Only unthrottledTaskRunner tasks are
   // allowed to run on a suspended frame.