Merge the Sky Engine changes from the SkyDart branch

sky/viewer/script/script_runner.cc

-// Copyright 2014 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 "sky/viewer/script/script_runner.h"
-
-#include "gin/per_context_data.h"
-#include "gin/try_catch.h"
-#include "sky/engine/public/web/WebFrame.h"
-#include "sky/engine/public/web/WebScriptSource.h"
-#include "sky/engine/public/web/WebView.h"
-#include "v8/include/v8.h"
-#include <iostream>
-
-namespace sky {
-
-ScriptRunner::ScriptRunner(blink::WebFrame* frame,
-                           v8::Handle<v8::Context> context)
-    : frame_(frame),
-      context_holder_(nullptr) {
-  gin::PerContextData* context_data = gin::PerContextData::From(context);
-  context_data->set_runner(this);
-  context_holder_ = context_data->context_holder();
-}
-
-ScriptRunner::~ScriptRunner() {
-}
-
-void ScriptRunner::Run(const std::string& source,
-                       const std::string& resource_name) {
-  gin::TryCatch try_catch;
-  frame_->executeScript(blink::WebScriptSource(
-      blink::WebString::fromUTF8(source),
-      GURL("internal-resouce:" + resource_name)));
-  // FIXME: We should really log to the console rather than to INFO.
-  if (try_catch.HasCaught())
-    std::cout << try_catch.GetStackTrace();
-}
-
-v8::Handle<v8::Value> ScriptRunner::Call(v8::Handle<v8::Function> function,
-                                         v8::Handle<v8::Value> receiver,
-                                         int argc,
-                                         v8::Handle<v8::Value> argv[]) {
-  gin::TryCatch try_catch;
-  v8::Handle<v8::Value> result = frame_->callFunctionEvenIfScriptDisabled(
-      function, receiver, argc, argv);
-  if (try_catch.HasCaught())
-    std::cout << try_catch.GetStackTrace();
-  return result;
-}
-
-gin::ContextHolder* ScriptRunner::GetContextHolder() {
-  return context_holder_;
-}
-
-}  // namespace sky