src: clean up `using` directives

Remove the unused ones and alphabetically sort the ones that remain.

src/cares_wrap.cc

@@ -47,7 +47,6 @@ namespace cares_wrap {
 
 using v8::Arguments;
 using v8::Array;
-using v8::Context;
 using v8::Function;
 using v8::Handle;
 using v8::HandleScope;

src/handle_wrap.cc

@@ -26,18 +26,12 @@
 namespace node {
 
 using v8::Arguments;
-using v8::Array;
-using v8::Context;
 using v8::Function;
-using v8::FunctionTemplate;
 using v8::Handle;
 using v8::HandleScope;
-using v8::Integer;
-using v8::Local;
 using v8::Object;
 using v8::Persistent;
 using v8::String;
-using v8::TryCatch;
 using v8::Undefined;
 using v8::Value;
 

src/node_script.cc

@@ -26,24 +26,23 @@
 
 namespace node {
 
+using v8::Arguments;
+using v8::Array;
 using v8::Context;
-using v8::Script;
-using v8::Value;
+using v8::Exception;
+using v8::Function;
+using v8::FunctionTemplate;
 using v8::Handle;
 using v8::HandleScope;
+using v8::Local;
 using v8::Object;
-using v8::Arguments;
+using v8::Persistent;
+using v8::Script;
+using v8::String;
 using v8::ThrowException;
 using v8::TryCatch;
-using v8::String;
-using v8::Exception;
-using v8::Local;
-using v8::Array;
-using v8::Persistent;
-using v8::Integer;
-using v8::Function;
-using v8::FunctionTemplate;
 using v8::V8;
+using v8::Value;
 
 
 class WrappedContext : ObjectWrap {

src/pipe_wrap.cc

@@ -31,7 +31,6 @@ namespace node {
 
 using v8::Arguments;
 using v8::Boolean;
-using v8::Context;
 using v8::Function;
 using v8::FunctionTemplate;
 using v8::Handle;
@@ -42,7 +41,6 @@ using v8::Object;
 using v8::Persistent;
 using v8::PropertyAttribute;
 using v8::String;
-using v8::TryCatch;
 using v8::Value;
 
 extern Persistent<FunctionTemplate> pipeConstructorTmpl;

src/process_wrap.cc

@@ -28,23 +28,21 @@
 
 namespace node {
 
-using v8::Object;
+using v8::Arguments;
+using v8::Array;
+using v8::Exception;
+using v8::Function;
+using v8::FunctionTemplate;
 using v8::Handle;
+using v8::HandleScope;
+using v8::Integer;
 using v8::Local;
+using v8::Number;
+using v8::Object;
 using v8::Persistent;
-using v8::Value;
-using v8::HandleScope;
-using v8::FunctionTemplate;
 using v8::String;
-using v8::Array;
-using v8::Number;
-using v8::Function;
-using v8::TryCatch;
-using v8::Context;
-using v8::Arguments;
-using v8::Integer;
-using v8::Exception;
 using v8::ThrowException;
+using v8::Value;
 
 static Persistent<String> onexit_sym;
 

src/signal_wrap.cc

@@ -25,19 +25,17 @@
 
 namespace node {
 
-using v8::Object;
+using v8::Arguments;
+using v8::Function;
+using v8::FunctionTemplate;
 using v8::Handle;
+using v8::HandleScope;
+using v8::Integer;
 using v8::Local;
+using v8::Object;
 using v8::Persistent;
-using v8::Value;
-using v8::HandleScope;
-using v8::FunctionTemplate;
 using v8::String;
-using v8::Function;
-using v8::TryCatch;
-using v8::Context;
-using v8::Arguments;
-using v8::Integer;
+using v8::Value;
 
 static Persistent<String> onsignal_sym;
 

src/slab_allocator.cc

@@ -36,8 +36,8 @@ using v8::Null;
 using v8::Object;
 using v8::Persistent;
 using v8::String;
-using v8::Value;
 using v8::V8;
+using v8::Value;
 
 
 namespace node {

src/stream_wrap.cc

@@ -41,10 +41,6 @@ namespace node {
 using v8::AccessorInfo;
 using v8::Arguments;
 using v8::Array;
-using v8::Context;
-using v8::Exception;
-using v8::Function;
-using v8::FunctionTemplate;
 using v8::Handle;
 using v8::HandleScope;
 using v8::Integer;
@@ -53,7 +49,6 @@ using v8::Number;
 using v8::Object;
 using v8::Persistent;
 using v8::String;
-using v8::TryCatch;
 using v8::Value;
 
 

src/string_bytes.cc

@@ -39,7 +39,6 @@ namespace node {
 using v8::Handle;
 using v8::HandleScope;
 using v8::Local;
-using v8::Object;
 using v8::String;
 using v8::Value;
 

src/tcp_wrap.cc

@@ -33,7 +33,6 @@
 namespace node {
 
 using v8::Arguments;
-using v8::Context;
 using v8::Function;
 using v8::FunctionTemplate;
 using v8::Handle;
@@ -45,7 +44,6 @@ using v8::Object;
 using v8::Persistent;
 using v8::PropertyAttribute;
 using v8::String;
-using v8::TryCatch;
 using v8::Undefined;
 using v8::Value;
 

src/timer_wrap.cc

@@ -24,19 +24,17 @@
 
 namespace node {
 
-using v8::Object;
+using v8::Arguments;
+using v8::Function;
+using v8::FunctionTemplate;
 using v8::Handle;
+using v8::HandleScope;
+using v8::Integer;
 using v8::Local;
+using v8::Object;
 using v8::Persistent;
-using v8::Value;
-using v8::HandleScope;
-using v8::FunctionTemplate;
 using v8::String;
-using v8::Function;
-using v8::TryCatch;
-using v8::Context;
-using v8::Arguments;
-using v8::Integer;
+using v8::Value;
 
 static Persistent<String> ontimeout_sym;
 

src/tty_wrap.cc

@@ -30,7 +30,6 @@
 namespace node {
 
 using v8::Arguments;
-using v8::Context;
 using v8::Function;
 using v8::FunctionTemplate;
 using v8::Handle;
@@ -41,7 +40,6 @@ using v8::Object;
 using v8::Persistent;
 using v8::PropertyAttribute;
 using v8::String;
-using v8::TryCatch;
 using v8::Undefined;
 using v8::Value;
 

src/v8_typed_array.cc

@@ -31,9 +31,9 @@
 
 namespace {
 
+using node::ThrowError;
 using node::ThrowRangeError;
 using node::ThrowTypeError;
-using node::ThrowError;
 
 struct BatchedMethods {
   const char* name;