Stick windows to sides of workspaces

ash/wm/drag_window_resizer.h

Index: ash/wm/drag_window_resizer.h
diff --git a/ash/wm/drag_window_resizer.h b/ash/wm/drag_window_resizer.h
index 817588274a18fedeb400d9374201cfcb37350359..4aa6e29f3fe26ef620653b5a040777130168044b 100644
--- a/ash/wm/drag_window_resizer.h
+++ b/ash/wm/drag_window_resizer.h
@@ -29,15 +29,12 @@ class ASH_EXPORT DragWindowResizer : public WindowResizer {
                                    const gfx::Point& location,
                                    int window_component);
 
-  // WindowResizer overides:
+  // WindowResizer:
   virtual void Drag(const gfx::Point& location, int event_flags) OVERRIDE;
   virtual void CompleteDrag(int event_flags) OVERRIDE;
   virtual void RevertDrag() OVERRIDE;
   virtual aura::Window* GetTarget() OVERRIDE;
-
-  const gfx::Point& GetInitialLocationInParentForTest() const {
-    return details_.initial_location_in_parent;
-  }
+  virtual const gfx::Point& GetInitialLocation() const OVERRIDE;
 
  private:
   FRIEND_TEST_ALL_PREFIXES(DragWindowResizerTest, DragWindowController);
@@ -68,6 +65,9 @@ class ASH_EXPORT DragWindowResizer : public WindowResizer {
   // been deleted.
   bool* destroyed_;
 
+  // Last instance created - for use by the DragWindowResizerTest.

[sky, 2013/06/17 20:37:23]

Last instance created -> Current instance

[varkha, 2013/06/18 03:22:27]

While it is not possible with user interaction I thought that nothing prevents
creating multiple instances of resizer in which case it would be technically
inaccurate.

[flackr, 2013/06/18 13:35:03]

It is actually possible by dragging one window with touch and the other with the
mouse, just rather uncommon.

+  static DragWindowResizer* instance_;
+
   DISALLOW_COPY_AND_ASSIGN(DragWindowResizer);
 };