src: remove unused using decls

PR-URL: #7990 Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Brian White <mscdex@mscdex.net> Reviewed-By: Minwoo Jung <jmwsoft@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Yorkie Liu <yorkiefixer@gmail.com>

Author: hokein

src/cares_wrap.cc

@@ -36,7 +36,6 @@ namespace cares_wrap {
 using v8::Array;
 using v8::Context;
 using v8::EscapableHandleScope;
-using v8::Function;
 using v8::FunctionCallbackInfo;
 using v8::FunctionTemplate;
 using v8::HandleScope;

src/debug-agent.cc

@@ -36,7 +36,6 @@ namespace node {
 namespace debugger {
 
 using v8::Context;
-using v8::Function;
 using v8::FunctionCallbackInfo;
 using v8::FunctionTemplate;
 using v8::HandleScope;

src/env.cc

@@ -17,7 +17,6 @@ using v8::Local;
 using v8::Message;
 using v8::StackFrame;
 using v8::StackTrace;
-using v8::Value;
 
 void Environment::PrintSyncTrace() const {
  if (!trace_sync_io_)

src/inspector_agent.cc

@@ -157,7 +157,6 @@ bool RespondToGet(inspector_socket_t* socket, const char* path, int port) {
 
 namespace inspector {
 
-using blink::protocol::DictionaryValue;
 
 class AgentImpl {
  public:

src/node.cc

@@ -126,7 +126,6 @@ using v8::ScriptOrigin;
 using v8::SealHandleScope;
 using v8::String;
 using v8::TryCatch;
-using v8::Uint32;
 using v8::Uint32Array;
 using v8::V8;
 using v8::Value;

src/node_buffer.cc

@@ -95,19 +95,15 @@ using v8::ArrayBuffer;
 using v8::ArrayBufferCreationMode;
 using v8::Context;
 using v8::EscapableHandleScope;
-using v8::Function;
 using v8::FunctionCallbackInfo;
-using v8::HandleScope;
 using v8::Integer;
 using v8::Isolate;
 using v8::Local;
 using v8::Maybe;
 using v8::MaybeLocal;
-using v8::Number;
 using v8::Object;
 using v8::Persistent;
 using v8::String;
-using v8::Uint32;
 using v8::Uint32Array;
 using v8::Uint8Array;
 using v8::Value;

src/node_contextify.cc

@@ -23,7 +23,6 @@ using v8::FunctionCallbackInfo;
 using v8::FunctionTemplate;
 using v8::HandleScope;
 using v8::Integer;
-using v8::Isolate;
 using v8::Local;
 using v8::Maybe;
 using v8::MaybeLocal;
@@ -41,7 +40,6 @@ using v8::String;
 using v8::TryCatch;
 using v8::Uint8Array;
 using v8::UnboundScript;
-using v8::V8;
 using v8::Value;
 using v8::WeakCallbackInfo;
 

src/node_crypto.cc

@@ -83,7 +83,6 @@ using v8::PropertyAttribute;
 using v8::PropertyCallbackInfo;
 using v8::ReadOnly;
 using v8::String;
-using v8::V8;
 using v8::Value;
 
 

src/node_dtrace.cc

@@ -32,7 +32,6 @@
 namespace node {
 
 using v8::FunctionCallbackInfo;
-using v8::FunctionTemplate;
 using v8::GCCallbackFlags;
 using v8::GCType;
 using v8::HandleScope;

src/node_file.cc

@@ -34,7 +34,6 @@ using v8::FunctionCallbackInfo;
 using v8::FunctionTemplate;
 using v8::HandleScope;
 using v8::Integer;
-using v8::Isolate;
 using v8::Local;
 using v8::Number;
 using v8::Object;