Updating pinning/unpinning code to be consistent with current API.

chrome/browser/resources/file_manager/js/file_manager.js

Index: chrome/browser/resources/file_manager/js/file_manager.js
diff --git a/chrome/browser/resources/file_manager/js/file_manager.js b/chrome/browser/resources/file_manager/js/file_manager.js
index fa14b0a607e9f191dae78f7afc411b8cbdcae5aa..fe4e06dd24f855f45f599d0f185c78bf8e123c21 100644
--- a/chrome/browser/resources/file_manager/js/file_manager.js
+++ b/chrome/browser/resources/file_manager/js/file_manager.js
@@ -3088,10 +3088,8 @@ FileManager.prototype = {
       checkbox.checked = entry.gdata_.isPinned = props[0].isPinned;
     }
 
-    if (checkbox.checked) {
-      chrome.fileBrowserPrivate.pinGDataFile([entry.toURL()], callback);
-      console.log('Pinning file ', entry.toURL());
-    }
+    chrome.fileBrowserPrivate.pinGDataFile([entry.toURL()],
+                                           !checkbox.checked, callback);
     event.preventDefault();
   };