Support custom icon in search result.

chrome/test/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/config/chrome_build.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//build/module_args/v8.gni")
 import("//testing/test.gni")
@@ skipping 1651 matching lines @@
       defines += [ "CLD_WINDOWS" ]
       deps += [ "//third_party/cld" ]
     }
     if (enable_app_list) {
       sources +=
           rebase_path(unit_gypi_values.chrome_unit_tests_app_list_sources,
                       ".",
                       "//chrome")
       deps += [ "//ui/app_list:test_support" ]
     }
+    if (enable_app_list && is_chromeos) {
+      sources += rebase_path(
+              unit_gypi_values.chrome_unit_tests_app_list_chromeos_sources,
+              ".",
+              "//chrome")
+    }
     if (!enable_plugin_installation) {
       sources -= [ "../browser/plugins/plugin_installer_unittest.cc" ]
     }
   }
 
   if (is_win || (is_linux && !is_chromeos)) {
     # TODO(GYP): Figure out which of these work and are needed on other
     # platforms.
     test("chrome_app_unittests") {
       sources = [
@@ skipping 64 matching lines @@
       }
 
       if (cld_version == 0 || cld_version == 2) {
         # Use whatever CLD2 data access mode that the
         # application embedder is using.
         deps += [ "//third_party/cld_2:cld2_platform_impl" ]
       }
     }
   }
 }