Enable side-by-side beta and dev channels.

chrome/BUILD.gn

 # Copyright 2014 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/buildflag_header.gni")
 import("//build/config/chrome_build.gni")
 import("//build/config/compiler/compiler.gni")
 import("//build/config/compiler/pgo/pgo.gni")
 import("//build/config/features.gni")
 import("//build/config/locales.gni")
@@ skipping 1417 matching lines @@
 
 copy("visual_elements_resources") {
   sources = [
     "//chrome/app/theme/$branding_path_component/win/tiles/Logo.png",
     "//chrome/app/theme/$branding_path_component/win/tiles/SmallLogo.png",
     "app/visual_elements_resources/chrome.VisualElementsManifest.xml",
   ]
 
   if (is_chrome_branded) {
     sources += [
+      "//chrome/app/theme/$branding_path_component/win/tiles/LogoBeta.png",
       "//chrome/app/theme/$branding_path_component/win/tiles/LogoCanary.png",
+      "//chrome/app/theme/$branding_path_component/win/tiles/LogoDev.png",
+      "//chrome/app/theme/$branding_path_component/win/tiles/SmallLogoBeta.png",
       "//chrome/app/theme/$branding_path_component/win/tiles/SmallLogoCanary.png",
+      "//chrome/app/theme/$branding_path_component/win/tiles/SmallLogoDev.png",
     ]
   }
 
   outputs = [
     "$root_out_dir/{{source_file_part}}",
   ]
 }
 
 group("resources") {
   public_deps = [
@@ skipping 282 matching lines @@
       "//chrome/app/theme/$branding_path_component/product_logo_48.png",
       "//chrome/tools/build/linux/chrome-wrapper",
       "//third_party/xdg-utils/scripts/xdg-mime",
       "//third_party/xdg-utils/scripts/xdg-settings",
     ]
     outputs = [
       "$root_out_dir/{{source_file_part}}",
     ]
   }
 }