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perf: prefer absl::flat_hash_set over std::set when sorted order is not needed (#46410)

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* perf: use an absl::flat_hash_set for UsbChooserContext::ephemeral_devices_

* perf: use an absl::flat_hash_set for GlobalMenuBarRegistrarX11::live_windows_

* perf: use an absl::flat_hash_set for NativeWindowViews::forwarding_windows_

* perf: use an absl::flat_hash_set for OffScreenRenderWidgetHostView::guest_host_views_

perf: use an absl::flat_hash_set for OffScreenRenderWidgetHostView::proxy_views_

* perf: use an absl::flat_hash_set for NativeWindow::injected_frames_

* perf: use an absl::flat_hash_set for NativeWindow::background_throttling_sources_
This commit is contained in:
Charles Kerr 2025-04-02 11:03:36 -05:00 • committed by GitHub
parent 36e233797c
commit 6f24dbaab4
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7 changed files with 14 additions and 15 deletions
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5
shell/browser/native_window.h
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@ -9,7 +9,6 @@
#include <memory>
#include <optional>
#include <queue>
#include <set>
#include <string>
#include <string_view>
#include <vector>
@ -23,6 +22,7 @@
#include "content/public/browser/web_contents_user_data.h"
#include "extensions/browser/app_window/size_constraints.h"
#include "shell/browser/native_window_observer.h"
#include "third_party/abseil-cpp/absl/container/flat_hash_set.h"
#include "ui/views/widget/widget_delegate.h"
class SkRegion;
@ -515,7 +515,8 @@ class NativeWindow : public base::SupportsUserData,
// Observers of this window.
base::ObserverList<NativeWindowObserver> observers_;
std::set<BackgroundThrottlingSource*> background_throttling_sources_;
absl::flat_hash_set<BackgroundThrottlingSource*>
background_throttling_sources_;
// Accessible title.
std::u16string accessible_title_;