Fix electron artifact builds

binding.gyp

@@ -54,7 +54,7 @@
           'GRPC_UV'
         ]
       }],
-      ['runtime=="electron"', {
+      ['OS!="win" && runtime=="electron"', {
         "defines": [
           'OPENSSL_NO_THREADS'
         ]

templates/binding.gyp.template

@@ -56,7 +56,7 @@
             'GRPC_UV'
           ]
         }],
-        ['runtime=="electron"', {
+        ['OS!="win" && runtime=="electron"', {
           "defines": [
             'OPENSSL_NO_THREADS'
           ]

tools/run_tests/artifacts/build_artifact_node.bat

@@ -51,7 +51,7 @@ for %%v in (%node_versions%) do (
 )
 
 for %%v in (%electron_versions%) do (
-  call .\node_modules\.bin\node-pre-gyp.cmd configure rebuild package testpackage --runtime=electron --target=%%v --target_arch=%1 || goto :error
+  cmd /V /C "set "HOME=%HOMEDRIVE%%HOMEPATH%\electron-gyp" && call .\node_modules\.bin\node-pre-gyp.cmd configure rebuild package testpackage --runtime=electron --target=%%v --target_arch=%1 --disturl=https://atom.io/download/electron" || goto :error
 
   xcopy /Y /I /S build\stage\* artifacts\ || goto :error
 )

tools/run_tests/artifacts/build_artifact_node.sh

@@ -52,8 +52,8 @@ do
   cp -r build/stage/* artifacts/
 done
 
-for version in ${node_versions[@]}
+for version in ${electron_versions[@]}
 do
-  HOME=~/.electron-gyp ./node_modules/.bin/node-pre-gyp configure rebuild package testpackage --runtime=electron --target=$version --target_arch=$NODE_TARGET_ARCH
+  HOME=~/.electron-gyp ./node_modules/.bin/node-pre-gyp configure rebuild package testpackage --runtime=electron --target=$version --target_arch=$NODE_TARGET_ARCH --disturl=https://atom.io/download/electron
   cp -r build/stage/* artifacts/
 done