Revert of Cleanup chrome/version.h handling

chrome/BUILD.gn

Index: chrome/BUILD.gn
diff --git a/chrome/BUILD.gn b/chrome/BUILD.gn
index 4693d6c2c23c12361d6cdf5a9ab71c65a4ec65a0..67431e3775835f280482d62400e840394ac79c6a 100644
--- a/chrome/BUILD.gn
+++ b/chrome/BUILD.gn
@@ -425,6 +425,22 @@
 }
 
 if (is_win) {
+  # TODO(brettw) this duplicates "//chrome/common:version" which applies to
+  # Linux.
+  process_version("version_header") {
+    # TODO(brettW) this should have more reduced visibility, but chrome/browser
+    # currently depends on this.
+    #visibility = [ ":*" ]
+
+    # This one just uses the custom template and no separate sources.
+    sources = []
+    template_file = "version.h.in"
+
+    # TODO(brettw) this should move to $target_gen_dir/version.h and
+    # source files including it should reference it via "chrome/version.h"
+    output = "$root_gen_dir/version.h"
+  }
+
   process_version("chrome_exe_version") {
     template_file = chrome_version_rc_template
     sources = [