Add image to holding space welcome banner.

Screenshot: http://shortn/_elXItqeFbl

Bug: 1154347
Change-Id: I2ebf4724c6146bd43d4381d7f12e3410c4591246
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2581026
Commit-Queue: David Black <dmblack@google.com>
Reviewed-by: Luciano Pacheco <lucmult@chromium.org>
Cr-Commit-Position: refs/heads/master@{#835321}

ui/file_manager/file_manager/BUILD.gn

@@ -57,6 +57,7 @@ generate_grd("build_static_grdp") {
     "foreground/images/files/ui/2x/filetype_placeholder_image.png",
     "foreground/images/files/ui/filetype_placeholder_video.png",
     "foreground/images/files/ui/2x/filetype_placeholder_video.png",
+    "foreground/images/files/ui/holding_space_welcome_image.svg",
     "foreground/images/files/ui/info.svg",
     "foreground/images/files/ui/list_check.svg",
     "foreground/images/files/ui/menu_ng.svg",

ui/file_manager/file_manager/foreground/css/holding_space_welcome.css

@@ -32,9 +32,8 @@
   height: 71px;
 }
 
-/* TODO(crbug.com/1154347): Add icon. */
 .holding-space-welcome .holding-space-welcome-icon {
-  background-color: rgba(0, 0, 0, 0.12);
+  background-image: url(../images/files/ui/holding_space_welcome_image.svg);
   background-position: center;
   background-repeat: no-repeat;
   background-size: 32px 32px;

ui/file_manager/file_manager/foreground/images/files/ui/holding_space_welcome_image.svg

+<svg xmlns="http://www.w3.org/2000/svg" width="48" height="48" fill="none"><g clip-path="url(#clip0)"><path d="M0 24a24 24 0 0148 0 24 24 0 01-48 0z" fill="#D0E1FA"/><path d="M23 30h2v10l-1 1-1-1V30z" fill="#fff"/><path fill-rule="evenodd" clip-rule="evenodd" d="M20 10a3 3 0 00-3 3v11l-1.79 3.1A2 2 0 0017 30h14a2 2 0 001.79-2.9L31 24V13a3 3 0 00-3-3h-8z" fill="#4285F4"/><path fill-rule="evenodd" clip-rule="evenodd" d="M35.2-3.51a8.07 8.07 0 0111.6 0 8.53 8.53 0 010 11.87 8.07 8.07 0 01-11.6 0 8.53 8.53 0 010-11.87zm-.7 12.58a9.56 9.56 0 010-13.3 9.05 9.05 0 0113 0 9.56 9.56 0 010 13.3 9.05 9.05 0 01-13 0z" fill="#1A73E8"/><path fill-rule="evenodd" clip-rule="evenodd" d="M40 31a1 1 0 100-2 1 1 0 000 2zm0 1a2 2 0 100-4 2 2 0 000 4z" fill="#1E8E3E"/><path fill-rule="evenodd" clip-rule="evenodd" d="M10 37.44l-2.26-.79a8.87 8.87 0 01-5.04-4.44l-1.15-2.32-.52-.94a5.68 5.68 0 00-.4-.5l-.01-.01a5.7 5.7 0 00-7.91-.65 5.4 5.4 0 00-.1 8.2l.86.65 2.16 1.47a8.77 8.77 0 013.7 5.57L-.22 46v.05a8.42 8.42 0 002.54 5.36 8.56 8.56 0 0011.38.41A8.16 8.16 0 0015 40.74a8.65 8.65 0 00-4.93-3.28l-.06-.02zM-.8 48.24a9.42 9.42 0 01-.42-2.1l-.43-2.27c-.39-2-1.57-3.78-3.28-4.93l-2.19-1.49-.91-.68a6.48 6.48 0 01-2.18-5.32 6.4 6.4 0 012.27-4.43 6.7 6.7 0 019.81 1.4l.57 1 1.16 2.34a7.87 7.87 0 004.47 3.95l2.21.77c2.2.5 4.2 1.86 5.53 3.68a9.28 9.28 0 011.17 8.73 9.16 9.16 0 01-6.76 5.7A9.57 9.57 0 01-.8 48.24z" fill="#F882FF"/><path d="M6.05 17.44l1.65 2.41c.03.05.07.08.12.11a.4.4 0 00.36 0c.05-.03.1-.06.12-.1l1.65-2.42c.03-.04.05-.1.05-.14 0-.06-.02-.1-.05-.15a.33.33 0 00-.13-.11.4.4 0 00-.17-.04h-3.3a.4.4 0 00-.17.04.33.33 0 00-.13.1.26.26 0 00-.05.16c0 .05.02.1.05.14z" fill="#D93025"/></g><defs><clipPath id="clip0"><path d="M0 24a24 24 0 0148 0 24 24 0 01-48 0z" fill="#fff"/></clipPath></defs></svg>
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