Update infobars to use VectorIcon struct instead of VectorIconId.

ui/vector_icons/BUILD.gn

 # Copyright 2017 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//build/util/branding.gni")
 import("//ui/vector_icons/vector_icons.gni")
 
 aggregate_vector_icons("ui_vector_icons") {
   icon_directory = "."
 
   icons = [
     "back_arrow.1x.icon",
     "back_arrow.icon",
     "close.1x.icon",
     "close.icon",
     "error_circle.icon",
     "extension.icon",
+    "extension_crashed.icon",

[sky, 2017/02/22 21:10:43]

How come you're putting extensioncrashed here? AFAICT it's only used in chrome?
I think extension.icon should be moved to chrome too.

[Evan Stade, 2017/02/22 21:30:11]

I just wanted to keep it next to extension.icon (the only difference being that
a slice is missing from the latter). But you're right, they can both go in
chrome/.

     "forward_arrow.1x.icon",
     "forward_arrow.icon",
     "location_on.icon",
     "media_router_active.icon",
     "media_router_error.icon",
     "media_router_idle.icon",
     "media_router_warning.icon",
     "microphone.icon",
     "midi.icon",
     "notifications.icon",
     "protocol_handler.icon",
     "videocam.icon",
     "warning.icon",
   ]
 }
 
 static_library("vector_icons") {
   sources = get_target_outputs(":ui_vector_icons")
   sources += [ "//ui/gfx/vector_icon_types.h" ]
 
   deps = [
     ":ui_vector_icons",
     "//base",
     "//skia",
   ]
 }