refactor: merge duplicate code from sandboxed/non-sandboxed renderer init (#31755)

lib/renderer/common-init.ts

@@ -0,0 +1,64 @@
+import { ipcRenderer } from 'electron';
+import { ipcRendererInternal } from '@electron/internal/renderer/ipc-renderer-internal';
+
+import type * as webViewInitModule from '@electron/internal/renderer/web-view/web-view-init';
+import type * as windowSetupModule from '@electron/internal/renderer/window-setup';
+import type * as webFrameInitModule from '@electron/internal/renderer/web-frame-init';
+import type * as securityWarningsModule from '@electron/internal/renderer/security-warnings';
+
+const { mainFrame } = process._linkedBinding('electron_renderer_web_frame');
+const v8Util = process._linkedBinding('electron_common_v8_util');
+
+const nodeIntegration = mainFrame.getWebPreference('nodeIntegration');
+const webviewTag = mainFrame.getWebPreference('webviewTag');
+const isHiddenPage = mainFrame.getWebPreference('hiddenPage');
+const nativeWindowOpen = mainFrame.getWebPreference('nativeWindowOpen') || process.sandboxed;
+const isWebView = mainFrame.getWebPreference('isWebView');
+const openerId = mainFrame.getWebPreference('openerId');
+
+// ElectronApiServiceImpl will look for the "ipcNative" hidden object when
+// invoking the 'onMessage' callback.
+v8Util.setHiddenValue(global, 'ipcNative', {
+  onMessage (internal: boolean, channel: string, ports: MessagePort[], args: any[], senderId: number) {
+    if (internal && senderId !== 0) {
+      console.error(`Message ${channel} sent by unexpected WebContents (${senderId})`);
+      return;
+    }
+    const sender = internal ? ipcRendererInternal : ipcRenderer;
+    sender.emit(channel, { sender, senderId, ports }, ...args);
+  }
+});
+
+switch (window.location.protocol) {
+  case 'devtools:': {
+    // Override some inspector APIs.
+    require('@electron/internal/renderer/inspector');
+    break;
+  }
+  case 'chrome-extension:': {
+    break;
+  }
+  case 'chrome:': {
+    break;
+  }
+  default: {
+    // Override default web functions.
+    const { windowSetup } = require('@electron/internal/renderer/window-setup') as typeof windowSetupModule;
+    windowSetup(isWebView, openerId, isHiddenPage, nativeWindowOpen);
+  }
+}
+
+// Load webview tag implementation.
+if (process.isMainFrame) {
+  const { webViewInit } = require('@electron/internal/renderer/web-view/web-view-init') as typeof webViewInitModule;
+  webViewInit(webviewTag, isWebView);
+}
+
+const { webFrameInit } = require('@electron/internal/renderer/web-frame-init') as typeof webFrameInitModule;
+webFrameInit();
+
+// Warn about security issues
+if (process.isMainFrame) {
+  const { securityWarnings } = require('@electron/internal/renderer/security-warnings') as typeof securityWarningsModule;
+  securityWarnings(nodeIntegration);
+}