Revert of Add a GN flag for the Windows multi-dll build.

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")
 
 # This target exists to reference other test executables to bring these files
 # into the build.
 group("test") {
   testonly = true
@@ skipping 1738 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" ]
       }
     }
   }
 }