Eliminate mojo::Shell client lib class

content/browser/mojo/mojo_shell_client_host.cc

Index: content/browser/mojo/mojo_shell_client_host.cc
diff --git a/content/browser/mojo/mojo_shell_client_host.cc b/content/browser/mojo/mojo_shell_client_host.cc
index 6a7b70798cfb4554ce33871dd2ebfbfb8219a78c..2cc0da645cdc0014345896ca8abdcabad2e5b599 100644
--- a/content/browser/mojo/mojo_shell_client_host.cc
+++ b/content/browser/mojo/mojo_shell_client_host.cc
@@ -21,7 +21,7 @@
 #include "mojo/edk/embedder/embedder.h"
 #include "mojo/edk/embedder/platform_channel_pair.h"
 #include "mojo/edk/embedder/scoped_platform_handle.h"
-#include "mojo/shell/public/cpp/shell.h"
+#include "mojo/shell/public/cpp/connector.h"
 #include "mojo/shell/public/interfaces/application_manager.mojom.h"
 
 namespace content {
@@ -134,7 +134,7 @@ void RegisterChildWithExternalShell(int child_process_id,
       mojo::edk::CreateMessagePipe(std::move(parent_pipe));
 
   mojo::shell::mojom::ApplicationManagerPtr application_manager;
-  MojoShellConnection::Get()->GetShell()->ConnectToInterface(
+  MojoShellConnection::Get()->GetConnector()->ConnectToInterface(
       "mojo:shell", &application_manager);
 
   // The content of the URL/qualifier we pass is actually meaningless, it's only