src: remove using directives from spawn_sync.h

I noticed that there were a few using declarations what were unused and
instead of just removing them, this commit removes all of them and uses
qualified names instead since they are in a header.
PR-URL: #21634
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>

Author: danbev

src/spawn_sync.h

@@ -29,18 +29,6 @@
 
 namespacenode {
 
-using v8::Array;
-using v8::Context;
-using v8::FunctionCallbackInfo;
-using v8::HandleScope;
-using v8::Integer;
-using v8::Isolate;
-using v8::Local;
-using v8::Null;
-using v8::Number;
-using v8::Object;
-using v8::String;
-using v8::Value;
 
 
 classSyncProcessOutputBuffer;
@@ -94,7 +82,7 @@ class SyncProcessStdioPipe {
 intStart();
 voidClose();
 
- Local<Object> GetOutputAsBuffer(Environment* env) const;
+v8::Local<v8::Object> GetOutputAsBuffer(Environment* env) const;
 
 inlineboolreadable() const;
 inlineboolwritable() const;
@@ -151,10 +139,10 @@ class SyncProcessRunner {
  };
 
 public:
-staticvoidInitialize(Local<Object> target,
- Local<Value> unused,
- Local<Context> context);
-staticvoidSpawn(const FunctionCallbackInfo<Value>& args);
+staticvoidInitialize(v8::Local<v8::Object> target,
+v8::Local<v8::Value> unused,
+v8::Local<v8::Context> context);
+staticvoidSpawn(constv8::FunctionCallbackInfo<v8::Value>& args);
 
 private:
 friendclassSyncProcessStdioPipe;
@@ -164,8 +152,8 @@ class SyncProcessRunner {
 
 inline Environment* env() const;
 
- Local<Object> Run(Local<Value> options);
-voidTryInitializeAndRunLoop(Local<Value> options);
+v8::Local<v8::Object> Run(v8::Local<v8::Value> options);
+voidTryInitializeAndRunLoop(v8::Local<v8::Value> options);
 voidCloseHandlesAndDeleteLoop();
 
 voidCloseStdioPipes();
@@ -181,12 +169,12 @@ class SyncProcessRunner {
 voidSetError(int error);
 voidSetPipeError(int pipe_error);
 
- Local<Object> BuildResultObject();
- Local<Array> BuildOutputArray();
+v8::Local<v8::Object> BuildResultObject();
+v8::Local<v8::Array> BuildOutputArray();
 
-intParseOptions(Local<Value> js_value);
-intParseStdioOptions(Local<Value> js_value);
-intParseStdioOption(int child_fd, Local<Object> js_stdio_option);
+intParseOptions(v8::Local<v8::Value> js_value);
+intParseStdioOptions(v8::Local<v8::Value> js_value);
+intParseStdioOption(int child_fd, v8::Local<v8::Object> js_stdio_option);
 
 inlineintAddStdioIgnore(uint32_t child_fd);
 inlineintAddStdioPipe(uint32_t child_fd,
@@ -195,9 +183,9 @@ class SyncProcessRunner {
 uv_buf_t input_buffer);
 inlineintAddStdioInheritFD(uint32_t child_fd, int inherit_fd);
 
-staticboolIsSet(Local<Value> value);
-intCopyJsString(Local<Value> js_value, constchar** target);
-intCopyJsStringArray(Local<Value> js_value, char** target);
+staticboolIsSet(v8::Local<v8::Value> value);
+intCopyJsString(v8::Local<v8::Value> js_value, constchar** target);
+intCopyJsStringArray(v8::Local<v8::Value> js_value, char** target);
 
 staticvoidExitCallback(uv_process_t* handle,
 int64_t exit_status,