electron/patches/chromium/revert_remove_the_allowaggr...

42 lines
2.2 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Samuel Attard <samuel.r.attard@gmail.com>
Date: Tue, 5 Sep 2023 13:22:31 -0700
Subject: Revert "Remove the AllowAggressiveThrottlingWithWebSocket feature."
This reverts commit 615c1810a187840ffeb04096087efff86edb37de.
diff --git a/third_party/blink/renderer/modules/websockets/websocket_channel_impl.cc b/third_party/blink/renderer/modules/websockets/websocket_channel_impl.cc
index 4028103044ba8996e0c547795520f96a3470a6a6..864d37c74946129e380f1ff06278952ea73365ce 100644
--- a/third_party/blink/renderer/modules/websockets/websocket_channel_impl.cc
+++ b/third_party/blink/renderer/modules/websockets/websocket_channel_impl.cc
@@ -96,6 +96,17 @@ enum WebSocketOpCode {
kOpCodeBinary = 0x2,
};
+// When enabled, a page can be aggressively throttled even if it uses a
+// WebSocket. Aggressive throttling does not affect the execution of WebSocket
+// event handlers, so there is little reason to disable it on pages using a
+// WebSocket.
+//
+// TODO(crbug.com/1121725): Cleanup this feature in June 2021, when it becomes
+// enabled by default on Stable.
+BASE_FEATURE(kAllowAggressiveThrottlingWithWebSocket,
+ "AllowAggressiveThrottlingWithWebSocket",
+ base::FEATURE_ENABLED_BY_DEFAULT);
+
} // namespace
void WebSocketChannelImpl::MessageDataDeleter::operator()(char* p) const {
@@ -286,7 +297,10 @@ bool WebSocketChannelImpl::Connect(const KURL& url, const String& protocol) {
// even if the `WebSocketChannel` is closed.
feature_handle_for_scheduler_ = scheduler->RegisterFeature(
SchedulingPolicy::Feature::kWebSocket,
- SchedulingPolicy{SchedulingPolicy::DisableBackForwardCache()});
+ base::FeatureList::IsEnabled(kAllowAggressiveThrottlingWithWebSocket)
+ ? SchedulingPolicy{SchedulingPolicy::DisableBackForwardCache()}
+ : SchedulingPolicy{SchedulingPolicy::DisableAggressiveThrottling(),
+ SchedulingPolicy::DisableBackForwardCache()});
scheduler->RegisterStickyFeature(
SchedulingPolicy::Feature::kWebSocketSticky,
SchedulingPolicy{SchedulingPolicy::DisableBackForwardCache()});