Refactors parts of gin:

gin/runner.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/runner.h"
 
-#include "gin/converter.h"
-#include "gin/per_context_data.h"
-#include "gin/try_catch.h"
-
-using v8::Context;
-using v8::HandleScope;
-using v8::Isolate;
-using v8::Object;
-using v8::ObjectTemplate;
-using v8::Script;
-
 namespace gin {
 
-RunnerDelegate::RunnerDelegate() {
-}
-
-RunnerDelegate::~RunnerDelegate() {
-}
-
-v8::Handle<ObjectTemplate> RunnerDelegate::GetGlobalTemplate(Runner* runner) {
-  return v8::Handle<ObjectTemplate>();
-}
-
-void RunnerDelegate::DidCreateContext(Runner* runner) {
-}
-
-void RunnerDelegate::WillRunScript(Runner* runner) {
-}
-
-void RunnerDelegate::DidRunScript(Runner* runner) {
-}
-
-void RunnerDelegate::UnhandledException(Runner* runner, TryCatch& try_catch) {
-  CHECK(false) << try_catch.GetStackTrace();
-}
-
-Runner::Runner(RunnerDelegate* delegate, Isolate* isolate)
-    : ContextHolder(isolate),
-      delegate_(delegate),
-      weak_factory_(this) {
-  v8::Isolate::Scope isolate_scope(isolate);
-  HandleScope handle_scope(isolate);
-  v8::Handle<v8::Context> context =
-      Context::New(isolate, NULL, delegate_->GetGlobalTemplate(this));
-
-  SetContext(context);
-  PerContextData::From(context)->set_runner(this);
-
-  v8::Context::Scope scope(context);
-  delegate_->DidCreateContext(this);
+Runner::Runner() : weak_factory_(this) {
 }
 
 Runner::~Runner() {
 }
 
-void Runner::Run(const std::string& source, const std::string& resource_name) {
-  TryCatch try_catch;
-  v8::Handle<Script> script = Script::New(StringToV8(isolate(), source),
-                                          StringToV8(isolate(), resource_name));
-  if (try_catch.HasCaught()) {
-    delegate_->UnhandledException(this, try_catch);
-    return;
-  }
-
-  Run(script);
-}
-
-void Runner::Run(v8::Handle<Script> script) {
-  TryCatch try_catch;
-  delegate_->WillRunScript(this);
-
-  script->Run();
-
-  delegate_->DidRunScript(this);
-  if (try_catch.HasCaught()) {
-    delegate_->UnhandledException(this, try_catch);
-  }
-}
-
-v8::Handle<v8::Value> Runner::Call(v8::Handle<v8::Function> function,
-                                   v8::Handle<v8::Value> receiver,
-                                   int argc,
-                                   v8::Handle<v8::Value> argv[]) {
-  TryCatch try_catch;
-  delegate_->WillRunScript(this);
-
-  v8::Handle<v8::Value> result = function->Call(receiver, argc, argv);
-
-  delegate_->DidRunScript(this);
-  if (try_catch.HasCaught()) {
-    delegate_->UnhandledException(this, try_catch);
-  }
-
-  return result;
-}
-
 Runner::Scope::Scope(Runner* runner)
-    : isolate_scope_(runner->isolate()),
-      handle_scope_(runner->isolate()),
-      scope_(runner->context()) {
+    : isolate_scope_(runner->GetContextHolder()->isolate()),
+      handle_scope_(runner->GetContextHolder()->isolate()),
+      scope_(runner->GetContextHolder()->context()) {
 }
 
 Runner::Scope::~Scope() {
 }
 
 }  // namespace gin