Allow continuous request dispatch below the throttle rate

content/renderer/scheduler/resource_dispatch_throttler.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 CONTENT_RENDERER_SCHEDULER_RESOURCE_DISPATCH_THROTTLER_H_
 #define CONTENT_RENDERER_SCHEDULER_RESOURCE_DISPATCH_THROTTLER_H_
 
 #include <stdint.h>
 
 #include <deque>
@@ skipping 35 matching lines @@
 
  private:
   friend class ResourceDispatchThrottlerForTest;
 
   // Virtual for testing.
   virtual base::TimeTicks Now() const;
   virtual void ScheduleFlush();
 
   void Flush();
   void FlushAll();
+  void LogFlush();
   bool ForwardMessage(IPC::Message* msg);
 
   base::ThreadChecker thread_checker_;
 
   IPC::Sender* const proxied_sender_;
   scheduler::RendererScheduler* const scheduler_;
   const base::TimeDelta flush_period_;
   const uint32_t max_requests_per_flush_;
 
   base::Timer flush_timer_;
-  base::TimeTicks last_sent_request_time_;
+  base::TimeTicks last_flush_time_;
   uint32_t sent_requests_since_last_flush_;
   std::deque<IPC::Message*> throttled_messages_;
 
   DISALLOW_COPY_AND_ASSIGN(ResourceDispatchThrottler);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_SCHEDULER_RESOURCE_DISPATCH_THROTTLER_H_