Add window manager component.

wm/shell/content_client/shell_main_delegate.h

Index: wm/shell/content_client/shell_main_delegate.h
diff --git a/ash/shell/content_client/shell_main_delegate.h b/wm/shell/content_client/shell_main_delegate.h
similarity index 71%
copy from ash/shell/content_client/shell_main_delegate.h
copy to wm/shell/content_client/shell_main_delegate.h
index a491d4651a0d7e587f1717dc95e4bdf194772be3..3a2e1a64cf63b552986577523ce74c0cd9b958be 100644
--- a/ash/shell/content_client/shell_main_delegate.h
+++ b/wm/shell/content_client/shell_main_delegate.h
@@ -2,21 +2,14 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef ASH_SHELL_CONTENT_CLIENT_SHELL_MAIN_DELEGATE_H_
-#define ASH_SHELL_CONTENT_CLIENT_SHELL_MAIN_DELEGATE_H_
+#ifndef WM_SHELL_CONTENT_CLIENT_SHELL_MAIN_DELEGATE_H_
+#define WM_SHELL_CONTENT_CLIENT_SHELL_MAIN_DELEGATE_H_
 
-#include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
-#include "content/shell/shell_content_client.h"
 #include "content/public/app/content_main_delegate.h"
+#include "content/shell/shell_content_client.h"
 
-namespace content {
-class ShellContentRendererClient;
-class ShellContentPluginClient;
-class ShellContentUtilityClient;
-}
-
-namespace ash {
+namespace wm {
 namespace shell {
 
 class ShellContentBrowserClient;
@@ -40,6 +33,6 @@ class ShellMainDelegate : public content::ContentMainDelegate {
 };
 
 }  // namespace shell
-}  // namespace ash
+}  // namespace wm
 
-#endif  // ASH_SHELL_CONTENT_CLIENT_SHELL_MAIN_DELEGATE_H_
+#endif  // WM_SHELL_CONTENT_CLIENT_SHELL_MAIN_DELEGATE_H_