First cut at "content handling" support in Mojo.

mojo/services/public/cpp/view_manager/tests/view_manager_unittest.cc

Index: mojo/services/public/cpp/view_manager/tests/view_manager_unittest.cc
diff --git a/mojo/services/public/cpp/view_manager/tests/view_manager_unittest.cc b/mojo/services/public/cpp/view_manager/tests/view_manager_unittest.cc
index 2e0b8a52a789e6a6805194abae68f52d3998fe17..6b1bdd37a7131056b06124989052668c397e134a 100644
--- a/mojo/services/public/cpp/view_manager/tests/view_manager_unittest.cc
+++ b/mojo/services/public/cpp/view_manager/tests/view_manager_unittest.cc
@@ -53,9 +53,12 @@ class ConnectServiceLoader : public ServiceLoader,
 
  private:
   // Overridden from ServiceLoader:
-  virtual void LoadService(ServiceManager* manager,
-                           const GURL& url,
-                           ScopedMessagePipeHandle shell_handle) OVERRIDE {
+  virtual void Load(ServiceManager* manager,
+                    const GURL& url,
+                    scoped_refptr<LoadCallbacks> callbacks) OVERRIDE {
+    ScopedMessagePipeHandle shell_handle = callbacks->RegisterApplication();
+    if (!shell_handle.is_valid())
+      return;
     scoped_ptr<ApplicationImpl> app(new ApplicationImpl(this,
                                                         shell_handle.Pass()));
     apps_.push_back(app.release());