Teach mojo_shell how to load data URLs

mojo/loader/loader.cc

+// Copyright (c) 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 "base/message_loop/message_loop.h"
+#include "mojo/loader/loader.h"
+#include "mojo/loader/url_request_context_getter.h"
+#include "net/url_request/url_fetcher.h"
+#include "net/url_request/url_fetcher_delegate.h"
+
+namespace mojo {
+namespace loader {
+
+namespace {
+
+class FetchDelegate : public net::URLFetcherDelegate {
+ public:
+  explicit FetchDelegate(Loader::Delegate* delegate)
+    : delegate_(delegate) {
+  }
+
+  virtual void OnURLFetchComplete(const net::URLFetcher* source) OVERRIDE;
+
+ private:
+  Loader::Delegate* delegate_;
+};
+
+void FetchDelegate::OnURLFetchComplete(const net::URLFetcher* source) {
+  delegate_->DidCompleteLoad(source->GetURL());
+  delete this;
+}
+
+}
+
+class Loader::Data {
+public:
+  Data();
+  ~Data();
+
+  scoped_refptr<URLRequestContextGetter> url_request_context_getter;
+};
+
+Loader::Data::Data()
+  : url_request_context_getter(new URLRequestContextGetter()) {
+}
+
+Loader::Data::~Data() {
+}
+
+Loader::Loader()
+  : data_(new Data()) {
+}
+
+Loader::~Loader() {
+}
+
+void Loader::Load(const GURL& app_url, Delegate* delegate) {
+  net::URLFetcher* fetcher = net::URLFetcher::Create(
+      app_url, net::URLFetcher::GET, new FetchDelegate(delegate));
+
+  fetcher->SetRequestContext(data_->url_request_context_getter.get());
+  fetcher->Start();
+}
+
+}  // namespace loader
+}  // namespace mojo