Unduping because this issue was duped into a bug tracking a platform-specific quick fix. The real fix applies to Mac and Linux/Windows.

The issue is that IDR_DEFAULT_FAVICON points to an image asset but in some cases (e.g. in tabs) we need a vector version so that we can easily change its color. We should change all places in the code that refer to IDR_DEFAULT_FAVICON to use the vector version, which they should get from some bit of code that vends the default favicon.

The first step is getting a vector icon for the default favicon - sgabriel@, can you attach an SVG for that? Specifically, we need a "document" icon that can appear as the favicon in a tabstrip tab (see attached).

Deleted: default_favicon.png 107 bytes

	default_favicon.png 107 bytes View Download

Deleted: default_favicon_2x.png 127 bytes

	default_favicon_2x.png 127 bytes View Download

.svg attached

Deleted: default_favicon-2x.svg 885 bytes

default_favicon-2x.svg 885 bytes Download

Moving this nonessential bug to the next milestone.

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The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/63d027126b56e97d2d1d8f955af5d65547a11eb1

commit 63d027126b56e97d2d1d8f955af5d65547a11eb1
Author: spqchan <spqchan@chromium.org>
Date: Fri Sep 02 23:29:10 2016

[Material][Mac] Replace hard-coded default favicon with .icon file

BUG= 619627 

Review-Url: https://codereview.chromium.org/2299423002
Cr-Commit-Position: refs/heads/master@{#416385}

[modify] https://crrev.com/63d027126b56e97d2d1d8f955af5d65547a11eb1/chrome/browser/ui/cocoa/tab_contents/favicon_util_mac.mm
[modify] https://crrev.com/63d027126b56e97d2d1d8f955af5d65547a11eb1/ui/gfx/vector_icons/BUILD.gn
[add] https://crrev.com/63d027126b56e97d2d1d8f955af5d65547a11eb1/ui/gfx/vector_icons/default_favicon.icon