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

chrome/version.gni

Index: chrome/version.gni
diff --git a/chrome/version.gni b/chrome/version.gni
index 1d424a6de0887b41dfc51e150cfe679daf634e62..b956e9c38e5084fae3b4569c86d3ba88d36412fb 100644
--- a/chrome/version.gni
+++ b/chrome/version.gni
@@ -2,14 +2,9 @@
 # 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")
-
 # Runs the version processing script over the given template file to produce
 # an output file. This is used for generating various forms of files that
 # incorporate the product name and version.
-#
-# Unlike GYP, this will actually compile the resulting file, so you don't need
-# to add it separately to the sources, just depend on the target.
 #
 # This template automatically includes VERSION, LASTCHANGE, and BRANDING. It
 # automatically uses the template file .
@@ -55,11 +50,10 @@
          "Either sources or template_file must be defined for $target_name")
   assert(defined(invoker.output), "Output must be defined for $target_name")
 
-  action_name = target_name + "_action"
-  source_set_name = target_name
-
-  action(action_name) {
-    visibility = [ ":$source_set_name" ]
+  action(target_name) {
+    if (defined(invoker.visibility)) {
+      visibility = invoker.visibility
+    }
     script = "//build/util/version.py"
 
     lastchange_path = "//build/util/LASTCHANGE"
@@ -114,14 +108,4 @@
       rebase_path(invoker.output, root_build_dir),
     ]
   }
-
-  source_set(source_set_name) {
-    if (defined(invoker.visibility)) {
-      visibility = invoker.visibility
-    }
-    sources = get_target_outputs(":$action_name")
-    deps = [
-      ":$action_name",
-    ]
-  }
 }