memory-leak-extension

background.html

<script src="backgroundscript.js"></script>

backgroundscript.js

chrome.runtime.onMessage.addListener(function(request, sender, responseCallback) {
  if (request === 'synch-req') {
    responseCallback(true);
    return false;
  }
  else if (request === 'asynch-req') {
    setTimeout(function() { responseCallback(true); }, 1);
    return true;
  }
  else {
    console.log('Unmatched request', request);
  }
});

contentscript.js

function synchReq() {
  chrome.runtime.sendMessage('synch-req', function(response) {
    if (response !== true) {
      console.log('synchReq response not true');
    }
  });
}

setInterval(synchReq, 2000);

function asynchReq() {
  chrome.runtime.sendMessage('asynch-req', function(response) {
    if (response !== true) {
      console.log('asynchReq response not true');
    }
  });
}

setInterval(asynchReq, 2000);

manifest.json

{
  "manifest_version": 2,
  "name": "Memory Test Extension",
  "version": "0.0.1",
  "description": "",
  "homepage_url": "https://github.com/adam-p/markdown-here",
  "minimum_chrome_version": "6",
  "permissions": [],
  "background": {"page": "background.html"},
  "content_scripts": [
    {
      "matches": ["http://*/*", "https://*/*"],
      "js": [
        "contentscript.js"
        ]
    }
  ]
}

Memory Leak Test Chrome Extension

Test extension to demonstrate possible memory leak in Chrome extension API. 

Install it, open a bunch of tabs, open Chrome's task manager, let it run, watch memory usage increase.

How is it installed?