Add Bitcoin.com widget to the NTP

[ryanml]

Note the available regions: https://github.com/brave/brave-core/pull/6681/files#diff-99ab139e0e75cd3b8c853a30d3abb80aR14 (No US, Canada, India)

Test plan:

1. Fresh profile
2. Navigate to brave://newTab
3. Ensure Bitcoin.com is available behind the Binance widget on the NTP
4. Open up New Tab page dashboard settings, select 'More Cards'
5. Scroll to Bitcoin.com
6. Ensure that 'Hide' removes it from the stack, and that 'Add' adds it to the foreground
7. Ensure that default fiat currency is 'EURO'
8. Ensure that Fiat can be changed to CAD
9. Ensure that the primary currency can be changed to BTC
10. Ensure that the amount input can be changed to 100, and only acceptable numerical values, ex(1, 2, 3, 3.50, 200.50, 500)
11. Click Buy
12. Ensure it opens a new tab to: https://bitcoincom.moonpay.io/?currencyCode=btc&baseCurrencyCode=cad&baseCurrencyAmount=100
13. Ensure clicking on Get the wallet here to get started opens to: https://bitcoincom.moonpay.io/
14. Navigate to brave://settings#newTab
15. Ensure that Bitcoin.com can be shown/hidden

[ryanml]

Backfilled issue, closed in: brave/brave-core#6681

[srirambv]

Verification passed on

Brave	1.15.70 Chromium: 86.0.4240.68 (Official Build) (64-bit)
Revision	ad72ee9aa8e15ed300df1238e76c7a8f4d686f97-refs/branch-heads/4240@{#1097}
OS	Linux

• Verified Bitcoin.com widget is available on a clean install and is stacked behind Binance widget
  

• Verified Bitcoin.com widget is available in more cards under dashboard setting and can be added or removed
  

• Verified EUR is the default currency selected

• Verified able to change default currency from Bitcoin Cash (BCH) to other values in the dropdown
  

• Verified Fiat currency can be changed from EURO to other
  

• Verified https://bitcoincom.moonpay.io/?currencyCode=eth&baseCurrencyCode=eur&baseCurrencyAmount=100.2 is loaded when clicked on Buy button after entering the fiat currency value

• Verified fiat amount input field only accepts whole values or decimal values and no string input is accepted

• Verified entering a single decimal value is rounded of to two decimal places on the landing page

• Verified clicking on the Buy button opens the landing page in a new tab

• Verified Get the wallet here to get started opens to: https://bitcoincom.moonpay.io/

• Verified New Tab Page menu under settings has Bitcoin.com entry
  

• Verified the widget can be disabled by

  • Widget menu
  • NTP Dashboard settings
  • NTP Menu settings (brave://settings/newTab)

• Verified for unsupported region there is no Bitcoin.com widget in

NTP	Dashboard settings	New Tab Page settings

---

Verification passed on

Brave	1.15.70 Chromium: 86.0.4240.68 (Official Build) (64-bit)
Revision	ad72ee9aa8e15ed300df1238e76c7a8f4d686f97-refs/branch-heads/4240@{#1097}
OS	Windows 10 OS Version 1809 (Build 17763.1457)

• Verified Bitcoin.com widget is available on a clean install and is stacked behind Binance widget
  

• Verified Bitcoin.com widget is available in more cards under dashboard setting and can be added or removed
  

• Verified EUR is the default currency selected
  

• Verified able to change default currency from Bitcoin Cash (BCH) to other values in the dropdown
  

• Verified Fiat currency can be changed from EURO to other
  

• Verified https://bitcoincom.moonpay.io/?currencyCode=ltc&baseCurrencyCode=usd&baseCurrencyAmount=75.92 is loaded when clicked on Buy button after entering the fiat currency value

• Verified fiat amount input field only accepts whole values or decimal values and no string input is accepted

• Verified entering a single decimal value is rounded of to two decimal places on the landing page

• Verified clicking on the Buy button opens the landing page in a new tab

• Verified Get the wallet here to get started opens to: https://bitcoincom.moonpay.io/

• Verified New Tab Page menu under settings has Bitcoin.com entry

• Verified the widget can be disabled by

  • Widget menu
  • NTP Dashboard settings
  • NTP Menu settings (brave://settings/newTab)

• Verified for unsupported region there is no Bitcoin.com widget in

NTP	Dashboard settings	New Tab Page settings

---

Verification passed on

Brave	1.15.70 Chromium: 86.0.4240.68 (Official Build) (x86_64)
Revision	ad72ee9aa8e15ed300df1238e76c7a8f4d686f97-refs/branch-heads/4240@{#1097}
OS	macOS Version 10.15.7 (Build 19H2)

• Verified Bitcoin.com widget is available on a clean install and is stacked behind Binance widget

• Verified Bitcoin.com widget is available in more cards under dashboard setting and can be added or removed
  

• Verified EUR is the default currency selected
  

• Verified able to change default currency from Bitcoin Cash (BCH) to other values in the dropdown
  

• Verified Fiat currency can be changed from EURO to other
  

• Verified https://bitcoincom.moonpay.io/?currencyCode=xrp&baseCurrencyCode=aud&baseCurrencyAmount=22.03 is loaded when clicked on Buy button after entering the fiat currency value

• Verified fiat amount input field only accepts whole values or decimal values and no string input is accepted

• Verified entering a single decimal value is rounded of to two decimal places on the landing page

• Verified clicking on the Buy button opens the landing page in a new tab

• Verified Get the wallet here to get started opens to: https://bitcoincom.moonpay.io/

• Verified New Tab Page menu under settings has Bitcoin.com entry
  

• Verified the widget can be disabled by

  • Widget menu
  • NTP Dashboard settings
  • NTP Menu settings (brave://settings/newTab)

• Verified for unsupported region there is no Bitcoin.com widget in

NTP	Dashboard settings	New Tab Page settings