| Index: lib/io.js | 
| =================================================================== | 
| --- a/lib/io.js | 
| +++ b/lib/io.js | 
| @@ -58,18 +58,18 @@ | 
| } | 
|  | 
| function removeFile(fileName) | 
| { | 
| return new Promise((resolve, reject) => | 
| { | 
| ext.storage.remove(fileToKey(fileName), () => | 
| { | 
| -      if (chrome.runtime.lastError) | 
| -        reject(chrome.runtime.lastError.message); | 
| +      if (browser.runtime.lastError) | 
| +        reject(browser.runtime.lastError.message); | 
| else | 
| resolve(); | 
| }); | 
| }); | 
| } | 
|  | 
| exports.IO = | 
| { | 
| @@ -132,18 +132,18 @@ | 
| renameFile(fromFile, newName) | 
| { | 
| return loadFile(fromFile).then(entry => | 
| { | 
| return new Promise((resolve, reject) => | 
| { | 
| ext.storage.set(fileToKey(newName), entry, () => | 
| { | 
| -          if (chrome.runtime.lastError) | 
| -            reject(chrome.runtime.lastError.message); | 
| +          if (browser.runtime.lastError) | 
| +            reject(browser.runtime.lastError.message); | 
| else | 
| resolve(); | 
| }); | 
| }); | 
| }).then(() => removeFile(fromFile)); | 
| }, | 
|  | 
| /** | 
|  |