diff --git a/third-party/download-content-shell/download-content-shell.js b/third-party/download-content-shell/download-content-shell.js
index 0e2e12014ffe..0ac6d0d7e304 100644
--- a/third-party/download-content-shell/download-content-shell.js
+++ b/third-party/download-content-shell/download-content-shell.js
@@ -23,7 +23,8 @@ function main() {
   fs.mkdirSync(CACHE_PATH, {recursive: true});
   deleteOldContentShells();
 
-  findPreviousUploadedPosition(findMostRecentChromiumCommit())
+  findMostRecentChromiumCommit()
+    .then(findPreviousUploadedPosition)
     .then(onUploadedCommitPosition)
     .catch(onError);
 
@@ -64,13 +65,11 @@ function getPlatform() {
   throw new Error(`Unrecognized platform detected: ${process.platform}`);
 }
 
-function findMostRecentChromiumCommit() {
-  // TODO: this code works only if there is a full chromium checkout present.
-  // const commitMessage = shell('git log --max-count=1 --grep="Cr-Commit-Position"').toString().trim();
-  // const commitPosition = commitMessage.match(/Cr-Commit-Position: refs\/heads\/master@\{#([0-9]+)\}/)[1];
-  // return commitPosition;
-  // TODO: make this dynamic.
-  return '856956';
+async function findMostRecentChromiumCommit() {
+  const snapshotUrl = `https://www.googleapis.com/download/storage/v1/b/chromium-browser-snapshots/o/${PLATFORM}%2FLAST_CHANGE?alt=media`;
+  const commitPosition = await utils.fetch(snapshotUrl);
+
+  return commitPosition.toString();
 }
 
 function deleteOldContentShells() {
diff --git a/third-party/download-content-shell/utils.js b/third-party/download-content-shell/utils.js
index 1956851d3cb6..8a23fe4ca5d9 100644
--- a/third-party/download-content-shell/utils.js
+++ b/third-party/download-content-shell/utils.js
@@ -31,7 +31,7 @@ function fetch(url) {
 
   function getCallback(resolve, reject, response) {
     if (response.statusCode !== 200) {
-      reject(new Error(`Request error: + ${response.statusCode}`));
+      reject(new Error(`Request error: ${response.statusCode}`));
       return;
     }
     const body = new Stream();