Put code in //services/window_manager in namespace window_manager

services/window_manager/window_manager_delegate.h

Index: services/window_manager/window_manager_delegate.h
diff --git a/services/window_manager/window_manager_delegate.h b/services/window_manager/window_manager_delegate.h
index c02bed9080fb1463ceddad63ade4b221a328ac84..94b9f71f9f4e75a767820103352a6f046a62e0b0 100644
--- a/services/window_manager/window_manager_delegate.h
+++ b/services/window_manager/window_manager_delegate.h
@@ -8,13 +8,14 @@
 #include "mojo/public/cpp/bindings/string.h"
 #include "mojo/public/interfaces/application/service_provider.mojom.h"
 
-namespace mojo {
+namespace window_manager {
 
 class WindowManagerDelegate {
  public:
   // See WindowManager::Embed() for details.
-  virtual void Embed(const String& url,
-                     InterfaceRequest<ServiceProvider> service_provider) = 0;
+  virtual void Embed(
+      const mojo::String& url,
+      mojo::InterfaceRequest<mojo::ServiceProvider> service_provider) = 0;
 
  protected:
   virtual ~WindowManagerDelegate() {}