Makes WorkspaceWindowResizer use ash/wm/common types

ash/wm/common/wm_globals.h

Index: ash/wm/common/wm_globals.h
diff --git a/ash/wm/common/wm_globals.h b/ash/wm/common/wm_globals.h
index a80c1e9704f61e111632693bd79810a5690ef6a4..eded8d75cc9ffe6c331798ad92664fba8ce0d3ce 100644
--- a/ash/wm/common/wm_globals.h
+++ b/ash/wm/common/wm_globals.h
@@ -16,6 +16,9 @@ class Rect;
 }
 
 namespace ash {
+
+class UserMetricsRecorder;
+
 namespace wm {
 
 class WmActivationObserver;
@@ -55,6 +58,8 @@ class ASH_EXPORT WmGlobals {
 
   virtual std::vector<WmWindow*> GetAllRootWindows() = 0;
 
+  virtual UserMetricsRecorder* GetUserMetricsRecorder() = 0;
+
   virtual void AddActivationObserver(WmActivationObserver* observer) = 0;
   virtual void RemoveActivationObserver(WmActivationObserver* observer) = 0;
 };