Move WindowResizer to CoreWM.

ash/wm/workspace/workspace_window_resizer.h

Index: ash/wm/workspace/workspace_window_resizer.h
===================================================================
--- ash/wm/workspace/workspace_window_resizer.h	(revision 173169)
+++ ash/wm/workspace/workspace_window_resizer.h	(working copy)
@@ -7,12 +7,12 @@
 
 #include <vector>
 
-#include "ash/wm/window_resizer.h"
 #include "ash/wm/workspace/magnetism_matcher.h"
 #include "base/compiler_specific.h"
 #include "base/gtest_prod_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "ui/aura/window_tracker.h"
+#include "ui/views/corewm/window_resizer.h"
 
 namespace ash {
 namespace internal {
@@ -21,12 +21,12 @@
 class SnapSizer;
 class WindowSize;
 
-// WindowResizer implementation for workspaces. This enforces that windows are
-// not allowed to vertically move or resize outside of the work area. As windows
-// are moved outside the work area they are shrunk. We remember the height of
-// the window before it was moved so that if the window is again moved up we
-// attempt to restore the old height.
-class ASH_EXPORT WorkspaceWindowResizer : public WindowResizer {
+// views::corewm::WindowResizer implementation for workspaces. This enforces
+// that windows are not allowed to vertically move or resize outside of the work
+// area. As windows are moved outside the work area they are shrunk. We remember
+// the height of the window before it was moved so that if the window is again
+// moved up we attempt to restore the old height.
+class ASH_EXPORT WorkspaceWindowResizer : public views::corewm::WindowResizer {
  public:
   // When dragging an attached window this is the min size we'll make sure is
   // visible. In the vertical direction we take the max of this and that from
@@ -49,7 +49,7 @@
       int window_component,
       const std::vector<aura::Window*>& attached_windows);
 
-  // Overridden from WindowResizer:
+  // Overridden from views::corewm::WindowResizer:
   virtual void Drag(const gfx::Point& location_in_parent,
                     int event_flags) OVERRIDE;
   virtual void CompleteDrag(int event_flags) OVERRIDE;