Makes PhantonWindowController use ash/wm/common types

ash/wm/common/wm_window.h

Index: ash/wm/common/wm_window.h
diff --git a/ash/wm/common/wm_window.h b/ash/wm/common/wm_window.h
index 2200866654c4ef437daa06dbb235852f7846cd31..7107b941f71640234377462303d07691e706e08c 100644
--- a/ash/wm/common/wm_window.h
+++ b/ash/wm/common/wm_window.h
@@ -57,6 +57,10 @@ class ASH_EXPORT WmWindow {
   // TODO(sky): fix constness.
   virtual WmGlobals* GetGlobals() const = 0;
 
+  // Used for debugging.
+  virtual void SetName(const std::string& name) = 0;
+
+  virtual void SetShellWindowId(int id) = 0;
   virtual int GetShellWindowId() = 0;
   virtual WmWindow* GetChildByShellWindowId(int id) = 0;