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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_
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Charles Kerr 2025-04-02 11:03:36 -05:00 • committed by GitHub
commit 6f24dbaab4
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7 changed files with 14 additions and 15 deletions
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4
shell/browser/usb/usb_chooser_context.h
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@ -6,7 +6,6 @@
#define ELECTRON_SHELL_BROWSER_USB_USB_CHOOSER_CONTEXT_H_
#include <map>
#include <set>
#include <string>
#include <vector>
@ -20,6 +19,7 @@
#include "mojo/public/cpp/bindings/remote.h"
#include "services/device/public/mojom/usb_manager.mojom.h"
#include "services/device/public/mojom/usb_manager_client.mojom.h"
#include "third_party/abseil-cpp/absl/container/flat_hash_set.h"
#include "url/origin.h"
namespace mojo {
@ -108,7 +108,7 @@ class UsbChooserContext : public KeyedService,
base::queue<device::mojom::UsbDeviceManager::GetDevicesCallback>
pending_get_devices_requests_;
std::map<url::Origin, std::set<std::string>> ephemeral_devices_;
std::map<url::Origin, absl::flat_hash_set<std::string>> ephemeral_devices_;
std::map<std::string, device::mojom::UsbDeviceInfoPtr> devices_;
// Connection to |device_manager_instance_|.