We require image (PNG) assets for the NTP.  These will be full-color icons and therefore will *not* be used as template images.

Please generate @1x, @2x, and @3x resolutions for each asset.  I don't know if these assets should have pressed or disabled states.

Each asset is listed along with its desired filename prefix.

(prefix).png
(prefix)@2x.png
(prefix)@3x.png

I do not believe that any of the below assets will be different between regular and compact size classes.  If that assumption is incorrect, please let me know.

I do not believe that any of the below assets will be different between phone and tablet.  If that assumption is incorrect, please let me know

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NTP Assets:

ntp_fakebox_background - Fakebox background image
ntp_search             - Magnifying glass icon in fakebox
ntp_voice              - Voice search icon in fakebox
ntp_bookmarks          - Bookmarks mostvisited icon
ntp_readinglist        - Reading list mostvisited icon
ntp_recenttabs         - Recent tabs mostvisited icon
ntp_history            - History mostvisited icon

NTP Sizes and Colors:
- NTP background color (can only be pure white or one specific off-white, mandated by doodle-team)
- rounded corner radius for favicons
- rounded corner radius for background behind favicons/bookmarks/history/etc
- color for grey background behind favicons
- bookmarks background color
- reading list background color
- recent tabs background color
- history background color
- fakebox placeholder text font size
- fakebox placeholder text color
- mostvisited text font size
- mostvisited text color
- “ARTICLES FOR YOU” font size
- “ARTICLES FOR YOU” text color
- "Hide" button font size
- "Hide" button text color
- article headline font size
- article headline text color
- article source/date font size
- article source/date text color