mojo: Update content handler API

sky/viewer/content_handler_impl.cc

Index: sky/viewer/content_handler_impl.cc
diff --git a/sky/viewer/content_handler_impl.cc b/sky/viewer/content_handler_impl.cc
index 27f8841fe3692ff9c75e46dac18d30a83c57935c..6a2d103f239b3f980efbcc1e6293aa5f160d0129 100644
--- a/sky/viewer/content_handler_impl.cc
+++ b/sky/viewer/content_handler_impl.cc
@@ -9,21 +9,16 @@
 namespace sky {
 
 ContentHandlerImpl::ContentHandlerImpl(
-    mojo::Shell* shell,
     scoped_refptr<base::MessageLoopProxy> compositor_thread)
-  : shell_(shell),
-    compositor_thread_(compositor_thread) {
+    : compositor_thread_(compositor_thread) {
 }
 
 ContentHandlerImpl::~ContentHandlerImpl() {
 }
 
-void ContentHandlerImpl::OnConnect(
-      const mojo::String& url,
-      mojo::URLResponsePtr response,
-      mojo::InterfaceRequest<mojo::ServiceProvider> service_provider_request) {
-  new DocumentView(response.Pass(), service_provider_request.Pass(),
-                   shell_, compositor_thread_);
+void ContentHandlerImpl::StartApplication(mojo::ShellPtr shell,
+                                          mojo::URLResponsePtr response) {
+  new DocumentView(response.Pass(), shell.Pass(), compositor_thread_);
 }
 
 }  // namespace sky