Remove a couple desktop infobar png assets.

chrome/browser/ui/omnibox/alternate_nav_infobar_delegate.cc

 // Copyright 2012 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.
 
 #include "chrome/browser/ui/omnibox/alternate_nav_infobar_delegate.h"
 
 #include "base/strings/utf_string_conversions.h"
 #include "build/build_config.h"
 #include "chrome/browser/autocomplete/shortcuts_backend_factory.h"
 #include "chrome/browser/history/history_service_factory.h"
 #include "chrome/browser/infobars/infobar_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/grit/generated_resources.h"
-#include "chrome/grit/theme_resources.h"
 #include "components/history/core/browser/history_service.h"
 #include "components/infobars/core/infobar.h"
 #include "components/omnibox/browser/shortcuts_backend.h"
 #include "content/public/browser/web_contents.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/gfx/vector_icons_public.h"
 
 AlternateNavInfoBarDelegate::~AlternateNavInfoBarDelegate() {
 }
 
@@ skipping 77 matching lines @@
 infobars::InfoBarDelegate::Type
 AlternateNavInfoBarDelegate::GetInfoBarType() const {
   return PAGE_ACTION_TYPE;
 }
 
 infobars::InfoBarDelegate::InfoBarIdentifier
 AlternateNavInfoBarDelegate::GetIdentifier() const {
   return ALTERNATE_NAV_INFOBAR_DELEGATE;
 }
 
-int AlternateNavInfoBarDelegate::GetIconId() const {
-  return IDR_INFOBAR_ALT_NAV_URL;
-}
-
 gfx::VectorIconId AlternateNavInfoBarDelegate::GetVectorIconId() const {
 #if defined(OS_MACOSX)

[Peter Kasting, 2016/09/29 04:20:01]

Shouldn't we rip out this #if?

[Evan Stade, 2016/09/29 16:29:44]

yes!

   return gfx::VectorIconId::VECTOR_ICON_NONE;
 #else
   return gfx::VectorIconId::GLOBE;
 #endif
 }