* refactor: use base::Contains() in KeyWeakMap::Has()
* refactor: use base::Contains() in WebRequest::RequestFilter::MatchesType()
* refactor: use base::Contains() in BaseWindow::AddBrowserView()
* refactor: use base::Contains() in DeepFreeze()
* refactor: use base::Contains() in Clipboard::Read()
* Revert "refactor: use base::Contains() in BaseWindow::AddBrowserView()"
This reverts commit 60152359d3978451ebdd7c8eed602c2fb8a9cafa.
* refactor: use base::Contains() in BaseWindow::AddBrowserView()
* refactor: use base::Contains() in IsDevToolsFileSystemAdded()
* refactor: use base::Contains() in MessagePort::DisentanglePorts()
* refactor: use base::Contains() in PowerSaveBlocker::IsStarted()
* refactor: use base::Contains() in SpellCheckClient::OnSpellCheckDone()
* refactor: use base::Contains() in ShowTaskDialogWstr()
* refactor: use base::Contains() in PrintViewManagerElectron::ScriptedPrint()
* refactor: use base::Contains() in PrintViewManagerElectron::DidGetPrintedPagesCount()
* refactor: use base::Contains() in NativeWindow::AddDraggableRegionProvider()
* refactor: use base::Contains() in ElectronBindings::ActivateUVLoop()
* refactor: use base::Contains() in NativeWindowViews::IsVisibleOnAllWorkspaces()
* refactor: use base::Contains() in HidChooserController::OnDeviceAdded()
* refactor: use base::Contains() in ElectronSandboxedRendererClient::WillReleaseScriptContext()
* refactor: use base::Contains() in ElectronRendererClient::WillDestroyWorkerContextOnWorkerThread()
* refactor: use base::Contains() in GlobalShortcut::OnKeyPressed()
