Revert of [inspector] Initial import of v8_inspector.

src/inspector/V8ValueCopier.cpp

Index: src/inspector/V8ValueCopier.cpp
diff --git a/src/inspector/V8ValueCopier.cpp b/src/inspector/V8ValueCopier.cpp
deleted file mode 100644
index dc1d536fa168dee25689727857f9f592c3d7a22e..0000000000000000000000000000000000000000
--- a/src/inspector/V8ValueCopier.cpp
+++ /dev/null
@@ -1,104 +0,0 @@
-// Copyright 2016 the V8 project 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 "src/inspector/V8ValueCopier.h"
-
-namespace v8_inspector {
-
-namespace {
-
-static int kMaxDepth = 20;
-static int kMaxCalls = 1000;
-
-class V8ValueCopier {
-public:
-    v8::MaybeLocal<v8::Value> copy(v8::Local<v8::Value> value, int depth)
-    {
-        if (++m_calls > kMaxCalls || depth > kMaxDepth)
-            return v8::MaybeLocal<v8::Value>();
-
-        if (value.IsEmpty())
-            return v8::MaybeLocal<v8::Value>();
-        if (value->IsNull() || value->IsUndefined() || value->IsBoolean() || value->IsString() || value->IsNumber())
-            return value;
-        if (!value->IsObject())
-            return v8::MaybeLocal<v8::Value>();
-        v8::Local<v8::Object> object = value.As<v8::Object>();
-        if (object->CreationContext() != m_from)
-            return value;
-
-        if (object->IsArray()) {
-            v8::Local<v8::Array> array = object.As<v8::Array>();
-            v8::Local<v8::Array> result = v8::Array::New(m_isolate, array->Length());
-            if (!result->SetPrototype(m_to, v8::Null(m_isolate)).FromMaybe(false))
-                return v8::MaybeLocal<v8::Value>();
-            for (size_t i = 0; i < array->Length(); ++i) {
-                v8::Local<v8::Value> item;
-                if (!array->Get(m_from, i).ToLocal(&item))
-                    return v8::MaybeLocal<v8::Value>();
-                v8::Local<v8::Value> copied;
-                if (!copy(item, depth + 1).ToLocal(&copied))
-                    return v8::MaybeLocal<v8::Value>();
-                if (!createDataProperty(m_to, result, i, copied).FromMaybe(false))
-                    return v8::MaybeLocal<v8::Value>();
-            }
-            return result;
-        }
-
-
-        v8::Local<v8::Object> result = v8::Object::New(m_isolate);
-        if (!result->SetPrototype(m_to, v8::Null(m_isolate)).FromMaybe(false))
-            return v8::MaybeLocal<v8::Value>();
-        v8::Local<v8::Array> properties;
-        if (!object->GetOwnPropertyNames(m_from).ToLocal(&properties))
-            return v8::MaybeLocal<v8::Value>();
-        for (size_t i = 0; i < properties->Length(); ++i) {
-            v8::Local<v8::Value> name;
-            if (!properties->Get(m_from, i).ToLocal(&name) || !name->IsString())
-                return v8::MaybeLocal<v8::Value>();
-            v8::Local<v8::Value> property;
-            if (!object->Get(m_from, name).ToLocal(&property))
-                return v8::MaybeLocal<v8::Value>();
-            v8::Local<v8::Value> copied;
-            if (!copy(property, depth + 1).ToLocal(&copied))
-                return v8::MaybeLocal<v8::Value>();
-            if (!createDataProperty(m_to, result, v8::Local<v8::String>::Cast(name), copied).FromMaybe(false))
-                return v8::MaybeLocal<v8::Value>();
-        }
-        return result;
-    }
-
-    v8::Isolate* m_isolate;
-    v8::Local<v8::Context> m_from;
-    v8::Local<v8::Context> m_to;
-    int m_calls;
-};
-
-} // namespace
-
-v8::MaybeLocal<v8::Value> copyValueFromDebuggerContext(v8::Isolate* isolate, v8::Local<v8::Context> debuggerContext, v8::Local<v8::Context> toContext, v8::Local<v8::Value> value)
-{
-    V8ValueCopier copier;
-    copier.m_isolate = isolate;
-    copier.m_from = debuggerContext;
-    copier.m_to = toContext;
-    copier.m_calls = 0;
-    return copier.copy(value, 0);
-}
-
-v8::Maybe<bool> createDataProperty(v8::Local<v8::Context> context, v8::Local<v8::Object> object, v8::Local<v8::Name> key, v8::Local<v8::Value> value)
-{
-    v8::TryCatch tryCatch(context->GetIsolate());
-    v8::Isolate::DisallowJavascriptExecutionScope throwJs(context->GetIsolate(), v8::Isolate::DisallowJavascriptExecutionScope::THROW_ON_FAILURE);
-    return object->CreateDataProperty(context, key, value);
-}
-
-v8::Maybe<bool> createDataProperty(v8::Local<v8::Context> context, v8::Local<v8::Array> array, int index, v8::Local<v8::Value> value)
-{
-    v8::TryCatch tryCatch(context->GetIsolate());
-    v8::Isolate::DisallowJavascriptExecutionScope throwJs(context->GetIsolate(), v8::Isolate::DisallowJavascriptExecutionScope::THROW_ON_FAILURE);
-    return array->CreateDataProperty(context, index, value);
-}
-
-} // namespace v8_inspector