Read/write find pasteboard text via IPC in renderer process

lib/common/api/clipboard.js

@@ -2,5 +2,14 @@ if (process.platform === 'linux' && process.type === 'renderer') {
   // On Linux we could not access clipboard in renderer process.
   module.exports = require('electron').remote.clipboard
 } else {
-  module.exports = process.atomBinding('clipboard')
+  const clipboard = process.atomBinding('clipboard')
+
+  // Read/write to find pasteboard over IPC since only main process is notified
+  // of changes
+  if (process.platform === 'darwin' && process.type === 'renderer') {
+    clipboard.readFindText = require('electron').remote.clipboard.readFindText
+    clipboard.writeFindText = require('electron').remote.clipboard.writeFindText
+  }
+
+  module.exports = clipboard
 }