I have followed the guideline to provide a 128x128 icon with blank 16 pixels padding. Why cannot I display my icon with full size as other extensions?
Here is how my extension icon looks at top-left corner: https://chrome.google.com/webstore/detail/save-to-mappingbird/ipjijcfmgfehpiiigjgjdgkldeligkfo?hl=en-US
Here is how Wunderlist icon looks: https://chrome.google.com/webstore/detail/wunderlist-to-do-and-task/fjliknjliaohjgjajlgolhijphojjdkc?hl=en-US