Implement WebFrameScheduler and WebPageScheduler

components/scheduler/child/task_queue_manager.cc

Index: components/scheduler/child/task_queue_manager.cc
diff --git a/components/scheduler/child/task_queue_manager.cc b/components/scheduler/child/task_queue_manager.cc
index c0895ba4e0103d4d7372b136a8a78adcb8b722e4..4dab67e7674990d82a21d162be33513ffccae6d7 100644
--- a/components/scheduler/child/task_queue_manager.cc
+++ b/components/scheduler/child/task_queue_manager.cc
@@ -341,8 +341,9 @@ bool TaskQueueManager::ProcessTaskFromWorkQueue(
                         WillProcessTask(pending_task));
       queue->NotifyWillProcessTask(pending_task);
     }
-    TRACE_EVENT1(disabled_by_default_tracing_category_,
-                 "Run Task From Queue", "queue", queue->GetName());
+    TRACE_EVENT2(disabled_by_default_tracing_category_,
+                 "Run Task From Queue", "queue", queue->GetName(),

[Sami, 2015/09/10 12:51:57]

Since you're touching this, could you change this to something like
TaskQueueManager::RunTask to match normal naming style? (I thought we already
did that in an earlier code review)

[alex clarke (OOO till 29th), 2015/09/10 14:35:58]

I'm not sure what happened there, I thought we had too :(  

DONE.

+                 "origin", queue->GetOrigin());
     task_annotator_.RunTask("TaskQueueManager::PostTask", pending_task);
 
     // Detect if the TaskQueueManager just got deleted.  If this happens we must