Add Initialize() method to Application with ability to send args using

mojo/application_manager/application_manager.cc

Index: mojo/application_manager/application_manager.cc
diff --git a/mojo/application_manager/application_manager.cc b/mojo/application_manager/application_manager.cc
index b0a300eb4b6c1b17e237dfc5f77a4129242e4b30..97e935193113876ce7cabe28b323aaadd5fef617 100644
--- a/mojo/application_manager/application_manager.cc
+++ b/mojo/application_manager/application_manager.cc
@@ -220,9 +220,14 @@ void ApplicationManager::RegisterLoadedApplication(
     shell_impl = iter->second;
   } else {
     MessagePipe pipe;
+    URLToArgsMap::const_iterator args_it = url_to_args_.find(url);
+    std::vector<std::string> args;

[darin (slow to review), 2014/09/15 03:58:55]

nit: allocate the Array<String> here to avoid copying args twice?

[DaveMoore, 2014/09/15 04:47:58]

Done.

+    if (args_it != url_to_args_.end())
+      args = args_it->second;
     shell_impl = WeakBindToPipe(new ShellImpl(this, url), pipe.handle1.Pass());
     url_to_shell_impl_[url] = shell_impl;
     *shell_handle = pipe.handle0.Pass();
+    shell_impl->client()->Initialize(Array<String>::From(args));
   }
 
   ConnectToClient(shell_impl, url, requestor_url, service_provider.Pass());
@@ -267,6 +272,11 @@ void ApplicationManager::SetLoaderForScheme(
   scheme_to_loader_[scheme] = loader.release();
 }
 
+void ApplicationManager::SetArgsForURL(const std::vector<std::string>& args,
+                                       const GURL& url) {
+  url_to_args_[url] = args;
+}
+
 void ApplicationManager::SetInterceptor(Interceptor* interceptor) {
   interceptor_ = interceptor;
 }