Move setup of code event handlers to gin

gin/isolate_holder.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "gin/public/isolate_holder.h"
 
 #include <stdlib.h>
 #include <string.h>
 
 #include "base/logging.h"
 #include "base/rand_util.h"
 #include "base/sys_info.h"
 #include "gin/array_buffer.h"
+#include "gin/debug_impl.h"
 #include "gin/function_template.h"
 #include "gin/per_isolate_data.h"
 #include "gin/public/v8_platform.h"
 
 namespace gin {
 
 namespace {
 
 v8::ArrayBuffer::Allocator* g_array_buffer_allocator = NULL;
 
 bool GenerateEntropy(unsigned char* buffer, size_t amount) {
   base::RandBytes(buffer, amount);
   return true;
 }
 
 }  // namespace
 
 IsolateHolder::IsolateHolder() {
   CHECK(g_array_buffer_allocator)
       << "You need to invoke gin::IsolateHolder::Initialize first";
-  isolate_ = v8::Isolate::New();
+  v8::Isolate::CreateParams params;
+  params.entry_hook = DebugImpl::GetFunctionEntryHook();
+  params.code_event_handler = DebugImpl::GetJitCodeEventHandler();
+  isolate_ = v8::Isolate::New(params);
   v8::ResourceConstraints constraints;
   constraints.ConfigureDefaults(base::SysInfo::AmountOfPhysicalMemory(),
                                 base::SysInfo::AmountOfVirtualMemory(),
                                 base::SysInfo::NumberOfProcessors());
   v8::SetResourceConstraints(isolate_, &constraints);
   isolate_data_.reset(new PerIsolateData(isolate_, g_array_buffer_allocator));
 }
 
 IsolateHolder::~IsolateHolder() {
   isolate_data_.reset();
@@ skipping 13 matching lines @@
   if (mode == gin::IsolateHolder::kStrictMode) {
     static const char v8_flags[] = "--use_strict";
     v8::V8::SetFlagsFromString(v8_flags, sizeof(v8_flags) - 1);
   }
   v8::V8::SetEntropySource(&GenerateEntropy);
   v8::V8::Initialize();
   v8_is_initialized = true;
 }
 
 }  // namespace gin