You will have to make lots of changes. Before replacing these files, please make sure the files that you are replacing with matches the resolution and format too.
If you want to change the logo of Chromium then replace these files with yours
src/chrome/app/theme/chromium/product_logo_22_mono.png
src/chrome/app/theme/chromium/product_logo_24.png
src/chrome/app/theme/chromium/product_logo_48.png
src/chrome/app/theme/chromium/product_logo_64.png
src/chrome/app/theme/chromium/product_logo_128.png
src/chrome/app/theme/chromium/product_logo_256.png
src/chrome/app/theme/default_100_percent/chromium/product_logo_16.png
src/chrome/app/theme/default_100_percent/chromium/product_logo_32.png
src/chrome/app/theme/default_100_percent/chromium/product_logo_name_22.png
src/chrome/app/theme/default_200_percent/chromium/product_logo_16.png
src/chrome/app/theme/default_200_percent/chromium/product_logo_32.png
src/chrome/app/theme/default_200_percent/chromium/product_logo_name_22.png
src/chrome/app/theme/default_200_percent/chromium/product_logo_name_48.png
src/chrome/app/theme/chromium/win/tiles/Logo.png
src/chrome/app/theme/chromium/win/tiles/SmallLogo.png
Then replace this icon file:
For Windows:
src/chrome/app/theme/chromium/win/chromium.ico
For macOS:
src/chrome/app/theme/chromium/mac/app.icns
To change the name of the browser and messages displayed in Chromium, open and modify these files
src/chrome/app/theme/chromium/BRANDING
src/chrome/app/generated_resources.grd
src/chrome/app/chromium_strings.grd
You should replace Chromium
or Chrome
references from the above files with your brand