deps: update V8 to 5.1.281.69

Pick up the latest branch-head for V8 5.1. This branch brings in
improved language support and performance improvements. For full
details: http://v8project.blogspot.com/2016/04/v8-release-51.html

* Picks up the latest branch head for 5.1 [1]
* Edit v8 gitignore to allow trace_event copy
* Update V8 DEP trace_event as per deps/v8/DEPS [2]

[1] https://chromium.googlesource.com/v8/v8.git/+/dc81244
[2] https://chromium.googlesource.com/chromium/src/base/trace_event/common/+/c8c8665

PR-URL: https://github.com/nodejs/node/pull/7016
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>

1 files changed, 0 insertions, 85 deletions

diff --git a/deps/v8/src/arguments.cc b/deps/v8/src/arguments.cc
index 077991bbee..815f5de577 100644
--- a/deps/v8/src/arguments.cc
+++ b/deps/v8/src/arguments.cc
@@ -4,93 +4,9 @@
 
 #include "src/arguments.h"
 
-#include "src/api.h"
-#include "src/vm-state-inl.h"
-
 namespace v8 {
 namespace internal {
 
-
-template <typename T>
-template <typename V>
-v8::Local<V> CustomArguments<T>::GetReturnValue(Isolate* isolate) {
-  // Check the ReturnValue.
-  Object** handle = &this->begin()[kReturnValueOffset];
-  // Nothing was set, return empty handle as per previous behaviour.
-  if ((*handle)->IsTheHole()) return v8::Local<V>();
-  return Utils::Convert<Object, V>(Handle<Object>(handle));
-}
-
-
-v8::Local<v8::Value> FunctionCallbackArguments::Call(FunctionCallback f) {
-  Isolate* isolate = this->isolate();
-  VMState<EXTERNAL> state(isolate);
-  ExternalCallbackScope call_scope(isolate, FUNCTION_ADDR(f));
-  FunctionCallbackInfo<v8::Value> info(begin(),
-                                       argv_,
-                                       argc_,
-                                       is_construct_call_);
-  f(info);
-  return GetReturnValue<v8::Value>(isolate);
-}
-
-
-#define WRITE_CALL_0(Function, ReturnValue)                            \
-  v8::Local<ReturnValue> PropertyCallbackArguments::Call(Function f) { \
-    Isolate* isolate = this->isolate();                                \
-    VMState<EXTERNAL> state(isolate);                                  \
-    ExternalCallbackScope call_scope(isolate, FUNCTION_ADDR(f));       \
-    PropertyCallbackInfo<ReturnValue> info(begin());                   \
-    f(info);                                                           \
-    return GetReturnValue<ReturnValue>(isolate);                       \
-  }
-
-
-#define WRITE_CALL_1(Function, ReturnValue, Arg1)                     \
-  v8::Local<ReturnValue> PropertyCallbackArguments::Call(Function f,  \
-                                                         Arg1 arg1) { \
-    Isolate* isolate = this->isolate();                               \
-    VMState<EXTERNAL> state(isolate);                                 \
-    ExternalCallbackScope call_scope(isolate, FUNCTION_ADDR(f));      \
-    PropertyCallbackInfo<ReturnValue> info(begin());                  \
-    f(arg1, info);                                                    \
-    return GetReturnValue<ReturnValue>(isolate);                      \
-  }
-
-
-#define WRITE_CALL_2(Function, ReturnValue, Arg1, Arg2)          \
-  v8::Local<ReturnValue> PropertyCallbackArguments::Call(        \
-      Function f, Arg1 arg1, Arg2 arg2) {                        \
-    Isolate* isolate = this->isolate();                          \
-    VMState<EXTERNAL> state(isolate);                            \
-    ExternalCallbackScope call_scope(isolate, FUNCTION_ADDR(f)); \
-    PropertyCallbackInfo<ReturnValue> info(begin());             \
-    f(arg1, arg2, info);                                         \
-    return GetReturnValue<ReturnValue>(isolate);                 \
-  }
-
-
-#define WRITE_CALL_2_VOID(Function, ReturnValue, Arg1, Arg2)               \
-  void PropertyCallbackArguments::Call(Function f, Arg1 arg1, Arg2 arg2) { \
-    Isolate* isolate = this->isolate();                                    \
-    VMState<EXTERNAL> state(isolate);                                      \
-    ExternalCallbackScope call_scope(isolate, FUNCTION_ADDR(f));           \
-    PropertyCallbackInfo<ReturnValue> info(begin());                       \
-    f(arg1, arg2, info);                                                   \
-  }
-
-
-FOR_EACH_CALLBACK_TABLE_MAPPING_0(WRITE_CALL_0)
-FOR_EACH_CALLBACK_TABLE_MAPPING_1(WRITE_CALL_1)
-FOR_EACH_CALLBACK_TABLE_MAPPING_2(WRITE_CALL_2)
-FOR_EACH_CALLBACK_TABLE_MAPPING_2_VOID_RETURN(WRITE_CALL_2_VOID)
-
-#undef WRITE_CALL_0
-#undef WRITE_CALL_1
-#undef WRITE_CALL_2
-#undef WRITE_CALL_2_VOID
-
-
 double ClobberDoubleRegisters(double x1, double x2, double x3, double x4) {
   // TODO(ulan): This clobbers only subset of registers depending on compiler,
   // Rewrite this in assembly to really clobber all registers.
@@ -98,6 +14,5 @@ double ClobberDoubleRegisters(double x1, double x2, double x3, double x4) {
   return x1 * 1.01 + x2 * 2.02 + x3 * 3.03 + x4 * 4.04;
 }
 
-
 }  // namespace internal
 }  // namespace v8