Revert of Move gyp-win-tool to the GN Windows toolchain.

build/toolchain/win/BUILD.gn

Index: build/toolchain/win/BUILD.gn
diff --git a/build/toolchain/win/BUILD.gn b/build/toolchain/win/BUILD.gn
index ccc0a9435f6fd2ab5da717e0b13066cdab60cd21..0549a6b698dc86a1a061076dc70158a8b4c4844d 100644
--- a/build/toolchain/win/BUILD.gn
+++ b/build/toolchain/win/BUILD.gn
@@ -17,9 +17,8 @@
 # Its arguments are the VS path and the compiler wrapper tool. It will write
 # "environment.x86" and "environment.x64" to the build directory and return a
 # list to us.
-
-# This tool will is used as a wrapper for various commands below.
-tool_wrapper_path = rebase_path("tool_wrapper.py", root_build_dir)
+gyp_win_tool_path =
+    rebase_path("//tools/gyp/pylib/gyp/win_tool.py", root_build_dir)
 
 if (use_goma) {
   goma_prefix = "$goma_dir/gomacc.exe "
@@ -161,7 +160,7 @@
     }
 
     tool("rc") {
-      command = "$python_path $tool_wrapper_path rc-wrapper $env rc.exe {{defines}} {{include_dirs}} /fo{{output}} {{source}}"
+      command = "$python_path gyp-win-tool rc-wrapper $env rc.exe {{defines}} {{include_dirs}} /fo{{output}} {{source}}"
       outputs = [
         "$object_subdir/{{source_name_part}}.res",
       ]
@@ -174,7 +173,7 @@
       } else {
         ml = "ml.exe"
       }
-      command = "$python_path $tool_wrapper_path asm-wrapper $env $ml {{defines}} {{include_dirs}} {{asmflags}} /c /Fo{{output}} {{source}}"
+      command = "$python_path gyp-win-tool asm-wrapper $env $ml {{defines}} {{include_dirs}} {{asmflags}} /c /Fo{{output}} {{source}}"
       description = "ASM {{output}}"
       outputs = [
         "$object_subdir/{{source_name_part}}.obj",
@@ -183,7 +182,7 @@
 
     tool("alink") {
       rspfile = "{{output}}.rsp"
-      command = "$python_path $tool_wrapper_path link-wrapper $env False $lib /nologo {{arflags}} /OUT:{{output}} @$rspfile"
+      command = "$python_path gyp-win-tool link-wrapper $env False $lib /nologo {{arflags}} /OUT:{{output}} @$rspfile"
       description = "LIB {{output}}"
       outputs = [
         # Ignore {{output_extension}} and always use .lib, there's no reason to
@@ -205,7 +204,7 @@
       rspfile = "${dllname}.rsp"
       pool = "//build/toolchain:link_pool($default_toolchain)"
 
-      command = "$python_path $tool_wrapper_path link-wrapper $env False $link /nologo /IMPLIB:$libname /DLL /OUT:$dllname /PDB:$pdbname @$rspfile"
+      command = "$python_path gyp-win-tool link-wrapper $env False $link /nologo /IMPLIB:$libname /DLL /OUT:$dllname /PDB:$pdbname @$rspfile"
 
       default_output_extension = ".dll"
       default_output_dir = "{{root_out_dir}}"
@@ -238,7 +237,7 @@
       rspfile = "${dllname}.rsp"
       pool = "//build/toolchain:link_pool($default_toolchain)"
 
-      command = "$python_path $tool_wrapper_path link-wrapper $env False $link /nologo /DLL /OUT:$dllname /PDB:$pdbname @$rspfile"
+      command = "$python_path gyp-win-tool link-wrapper $env False $link /nologo /DLL /OUT:$dllname /PDB:$pdbname @$rspfile"
 
       default_output_extension = ".dll"
       default_output_dir = "{{root_out_dir}}"
@@ -262,7 +261,7 @@
       rspfile = "$exename.rsp"
       pool = "//build/toolchain:link_pool($default_toolchain)"
 
-      command = "$python_path $tool_wrapper_path link-wrapper $env False $link /nologo /OUT:$exename /PDB:$pdbname @$rspfile"
+      command = "$python_path gyp-win-tool link-wrapper $env False $link /nologo /OUT:$exename /PDB:$pdbname @$rspfile"
 
       default_output_extension = ".exe"
       default_output_dir = "{{root_out_dir}}"
@@ -314,6 +313,7 @@
   x86_toolchain_data = exec_script("setup_toolchain.py",
                                    [
                                      visual_studio_path,
+                                     gyp_win_tool_path,
                                      windows_sdk_path,
                                      visual_studio_runtime_dirs,
                                      "x86",
@@ -347,6 +347,7 @@
 x64_toolchain_data = exec_script("setup_toolchain.py",
                                  [
                                    visual_studio_path,
+                                   gyp_win_tool_path,
                                    windows_sdk_path,
                                    visual_studio_runtime_dirs,
                                    "x64",