feat: add process.takeHeapSnapshot() / webContents.takeHeapSnapshot() (#14456)

lib/browser/api/web-contents.js

@@ -160,6 +160,22 @@ WebContents.prototype.executeJavaScript = function (code, hasUserGesture, callba
   }
 }
 
+WebContents.prototype.takeHeapSnapshot = function (filePath) {
+  return new Promise((resolve, reject) => {
+    const channel = `ELECTRON_TAKE_HEAP_SNAPSHOT_RESULT_${getNextId()}`
+    ipcMain.once(channel, (event, success) => {
+      if (success) {
+        resolve()
+      } else {
+        reject(new Error('takeHeapSnapshot failed'))
+      }
+    })
+    if (!this._takeHeapSnapshot(filePath, channel)) {
+      ipcMain.emit(channel, false)
+    }
+  })
+}
+
 // Translate the options of printToPDF.
 WebContents.prototype.printToPDF = function (options, callback) {
   const printingSetting = Object.assign({}, defaultPrintingSetting)