Remove shutdown code from sky.

sky/viewer/content_handler_impl.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/content_handler_impl.h"
 
 #include "base/bind.h"
 #include "mojo/public/cpp/application/connect.h"
 #include "mojo/services/public/interfaces/network/network_service.mojom.h"
 #include "sky/viewer/document_view.h"
 
 namespace sky {
 
 class SkyApplication : public mojo::Application {
  public:
   SkyApplication(mojo::ShellPtr shell,
                  mojo::URLResponsePtr response)
       : url_(response->url),
         shell_(shell.Pass()),
-        initial_response_(response.Pass()),
-        view_count_(0) {
+        initial_response_(response.Pass()) {
     shell_.set_client(this);
     mojo::ServiceProviderPtr service_provider;
     shell_->ConnectToApplication("mojo:network_service",
                                  mojo::GetProxy(&service_provider));
     mojo::ConnectToService(service_provider.get(), &network_service_);
   }
 
   void Initialize(mojo::Array<mojo::String> args) override {}
 
   void AcceptConnection(const mojo::String& requestor_url,
                         mojo::ServiceProviderPtr provider) override {
-    ++view_count_;
     if (initial_response_) {
       OnResponseReceived(mojo::URLLoaderPtr(), provider.Pass(),
                          initial_response_.Pass());
     } else {
       mojo::URLLoaderPtr loader;
       network_service_->CreateURLLoader(mojo::GetProxy(&loader));
       mojo::URLRequestPtr request(mojo::URLRequest::New());
       request->url = url_;
       request->auto_follow_redirects = true;
 
       // |loader| will be pass to the OnResponseReceived method through a
       // callback. Because order of evaluation is undefined, a reference to the
       // raw pointer is needed.
       mojo::URLLoader* raw_loader = loader.get();
       raw_loader->Start(
           request.Pass(),
           base::Bind(&SkyApplication::OnResponseReceived,
                      base::Unretained(this), base::Passed(&loader),
                      base::Passed(&provider)));
     }
   }
 
  private:
-  void OnViewDestroyed() {
-    --view_count_;
-    if (view_count_ == 0) {
-      delete this;
-    }
-  }
-
   void OnResponseReceived(mojo::URLLoaderPtr loader,
                           mojo::ServiceProviderPtr provider,
                           mojo::URLResponsePtr response) {
-    new DocumentView(
-        base::Bind(&SkyApplication::OnViewDestroyed, base::Unretained(this)),
-        provider.Pass(), response.Pass(), shell_.get());
+    new DocumentView(provider.Pass(), response.Pass(), shell_.get());
   }
 
   mojo::String url_;
   mojo::ShellPtr shell_;
   mojo::NetworkServicePtr network_service_;
   mojo::URLResponsePtr initial_response_;
-  uint32_t view_count_;
 };
 
 ContentHandlerImpl::ContentHandlerImpl() {
 }
 
 ContentHandlerImpl::~ContentHandlerImpl() {
 }
 
 void ContentHandlerImpl::StartApplication(mojo::ShellPtr shell,
                                           mojo::URLResponsePtr response) {
   new SkyApplication(shell.Pass(), response.Pass());
 }
 
 }  // namespace sky