| Index: content/browser/loader/resource_scheduler.h
|
| diff --git a/content/browser/loader/resource_scheduler.h b/content/browser/loader/resource_scheduler.h
|
| index 60cf0cd69f8c10360b3c3f43babb2a61744e7443..a811307ed8e3ce5d08f880bcde3a2af000e96627 100644
|
| --- a/content/browser/loader/resource_scheduler.h
|
| +++ b/content/browser/loader/resource_scheduler.h
|
| @@ -78,14 +78,6 @@ class CONTENT_EXPORT ResourceScheduler : public base::NonThreadSafe {
|
| ACTIVE_AND_LOADING,
|
| };
|
|
|
| - enum RequestClassification {
|
| - NORMAL_REQUEST,
|
| - // Low priority in-flight requests
|
| - IN_FLIGHT_DELAYABLE_REQUEST,
|
| - // High-priority requests received before the renderer has a <body>
|
| - LAYOUT_BLOCKING_REQUEST,
|
| - };
|
| -
|
| ResourceScheduler();
|
| ~ResourceScheduler();
|
|
|
| @@ -165,6 +157,41 @@ class CONTENT_EXPORT ResourceScheduler : public base::NonThreadSafe {
|
| return outstanding_request_limit_;
|
| }
|
|
|
| + // Returns the priority level above which resources are considered
|
| + // layout-blocking if the html_body has not started. It is also the threshold
|
| + // below which resources are considered delayable (and for completeness,
|
| + // a request that matches the threshold level is a high-priority but not
|
| + // layout-blocking request).
|
| + net::RequestPriority non_delayable_threshold() const {
|
| + return non_delayable_threshold_;
|
| + }
|
| +
|
| + // Returns true if all delayable requests should be blocked while at least
|
| + // in_flight_layout_blocking_threshold() layout-blocking requests are
|
| + // in-flight during the layout-blocking phase of loading.
|
| + bool enable_in_flight_non_delayable_threshold() const {
|
| + return enable_in_flight_non_delayable_threshold_;
|
| + }
|
| +
|
| + // Returns the number of in-flight layout-blocking requests above which
|
| + // all delayable requests should be blocked when
|
| + // enable_layout_blocking_threshold is set.
|
| + size_t in_flight_non_delayable_threshold() const {
|
| + return in_flight_non_delayable_threshold_;
|
| + }
|
| +
|
| + // Returns the maximum number of delayable requests to allow be in-flight
|
| + // at any point in time while in the layout-blocking phase of loading.
|
| + size_t max_num_delayable_while_layout_blocking() const {
|
| + return max_num_delayable_while_layout_blocking_;
|
| + }
|
| +
|
| + // Returns the maximum number of delayable requests to all be in-flight at
|
| + // any point in time (across all hosts).
|
| + size_t max_num_delayable_requests() const {
|
| + return max_num_delayable_requests_;
|
| + }
|
| +
|
| enum ClientState {
|
| // Observable client.
|
| ACTIVE,
|
| @@ -238,6 +265,11 @@ class CONTENT_EXPORT ResourceScheduler : public base::NonThreadSafe {
|
| size_t coalesced_clients_;
|
| bool limit_outstanding_requests_;
|
| size_t outstanding_request_limit_;
|
| + net::RequestPriority non_delayable_threshold_;
|
| + bool enable_in_flight_non_delayable_threshold_;
|
| + size_t in_flight_non_delayable_threshold_;
|
| + size_t max_num_delayable_while_layout_blocking_;
|
| + size_t max_num_delayable_requests_;
|
| // This is a repeating timer to initiate requests on COALESCED Clients.
|
| scoped_ptr<base::Timer> coalescing_timer_;
|
| RequestSet unowned_requests_;
|
|
|
Chromium Code Reviews
Issue 1230133005:
Fix Resource Priorities and Scheduling (Chrome Side) (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master