Implement the NTP image

[anthonypkeane]

Description:

Please implement the NTP image

Search GDocs for the Spec

cc @jhreis

Test Plan

Default new behavior:

1. open new browser install
2. see background image!

Default upgrade behavior:

1. upgrade browser
2. open
3. see background image!

Turn off:

1. Go into Settings > New Tab Page > Turn off "Show Background Images"
2. Going back to main screen should see a background without an image (may be dark, or have gradient on white background depending on your current theme).
3. Opening new tabs should not show any background images

Turn On:

1. Go into Settings > New Tab Page > Turn on "Show Background Images"
2. Going back to NTP, should see a background image
3. Opening subsequent new tabs should continue showing background images

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Addition thing to note during above testing. You should never see an image appear twice on a fresh new tab page. Since the NTP is cached while it is open (e.g. creating 6 tabs at the same time), sibling NTP's will show the same image. But if you close the NTP and open a new one, it should always have a different background. Please inquire if clarity is needed.

[srirambv]

Verification passed on iPhone XR with iOS 13.2 running 1.14(19.12.05.18)
Clean install

• Verified new tab shows an image
• Verified toggle setting disables images on new tabs and existing new tabs
• Verified enabling the setting shows images on all existing new tabs and new ones
• Verified opening a private tab shows the new tab images
• Verified setting toggles work on both normal and private tabs
• Verified opening N new tabs retain the same image until a page is loaded in one of the tabs

Upgrade install

• Verified on upgrade new tabs show images by default

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Verification passed on iPhone 7+ with iOS 13.2 running 1.14(19.12.05.18)
Clean install

• Verified new tab shows an image
• Verified toggle setting disables images on new tabs and existing new tabs
• Verified enabling the setting shows images on all existing new tabs and new ones
• Verified opening a private tab shows the new tab images
• Verified setting toggles work on both normal and private tabs
• Verified opening N new tabs retain the same image until a page is loaded in one of the tabs

Upgrade install

• Verified on upgrade new tabs show images by default

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Verification passed on iPhone 6 with iOS 12.4 running 1.14(19.12.05.18)
Clean install

• Verified new tab shows an image
• Verified toggle setting disables images on new tabs and existing new tabs
• Verified enabling the setting shows images on all existing new tabs and new ones
• Verified opening a private tab shows the new tab images
• Verified setting toggles work on both normal and private tabs
• Verified opening N new tabs retain the same image until a page is loaded in one of the tabs

Upgrade install

• Verified on upgrade new tabs show images by default

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Verification passed on iPad Pro with iOS 13.2 running 1.14(19.12.05.18)
Clean install

• Verified new tab shows an image
• Verified toggle setting disables images on new tabs and existing new tabs
• Verified enabling the setting shows images on all existing new tabs and new ones
• Verified opening a private tab shows the new tab images
• Verified setting toggles work on both normal and private tabs
• Verified opening N new tabs retain the same image until a page is loaded in one of the tabs
• Verified opening N new tabs retain the same image until a page is loaded in one of the tabs

Upgrade install

• Verified on upgrade new tabs show images by default

---

Verification passed on iPad Pro with iOS 12.4 running 1.14(19.12.05.18)
Clean install

• Verified new tab shows an image
• Verified toggle setting disables images on new tabs and existing new tabs
• Verified enabling the setting shows images on all existing new tabs and new ones
• Verified opening a private tab shows the new tab images
• Verified setting toggles work on both normal and private tabs
• Verified opening N new tabs retain the same image until a page is loaded in one of the tabs

Upgrade install

• Verified on upgrade new tabs show images by default

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