If you want to know , then check out the steps mentioned below:
Tap on the icon on Chrome’s toolbar and click on options.
Choose on the under the hood tab.
Scroll down and navigate to the web content section.
Tap to change.
Choose to change fonts and language settings options. It will open the fonts and languages dialog box.
After this, change the default font settings and increase the font size in Google Chrome.
The last step is to fulfill the requirement on what you read and restore the font settings back to the default settings.
These are the steps that you need to follow to smoothly change the size of the address bar in Chrome.