Stick windows to sides of workspaces

ash/shelf/shelf_layout_manager.h

Index: ash/shelf/shelf_layout_manager.h
diff --git a/ash/shelf/shelf_layout_manager.h b/ash/shelf/shelf_layout_manager.h
index e2018f8eaa181fd9f452a39f03aa242b07b1bb37..bc32fa899993e0d3f5e45cbbe29d490dbca0a4e6 100644
--- a/ash/shelf/shelf_layout_manager.h
+++ b/ash/shelf/shelf_layout_manager.h
@@ -11,6 +11,7 @@
 #include "ash/shelf/shelf_types.h"
 #include "ash/shell_observer.h"
 #include "ash/system/status_area_widget.h"
+#include "ash/wm/dock/dock_observer.h"
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/logging.h"
@@ -52,6 +53,7 @@ class ASH_EXPORT ShelfLayoutManager :
     public aura::LayoutManager,
     public ash::ShellObserver,
     public aura::client::ActivationChangeObserver,
+    public DockObserver,
     public keyboard::KeyboardControllerObserver {
  public:
 
@@ -281,6 +283,9 @@ class ASH_EXPORT ShelfLayoutManager :
   virtual void OnKeyboardBoundsChanging(
       const gfx::Rect& keyboard_bounds) OVERRIDE;
 
+  // Overridden from dock::DockObserver:
+  virtual void OnDockBoundsChanging(const gfx::Rect& dock_bounds) OVERRIDE;
+
   // Generates insets for inward edge based on the current shelf alignment.
   gfx::Insets GetInsetsForAlignment(int distance) const;
 
@@ -340,6 +345,9 @@ class ASH_EXPORT ShelfLayoutManager :
   // The bounds of the keyboard.
   gfx::Rect keyboard_bounds_;
 
+  // The bounds of the dock.
+  gfx::Rect dock_bounds_;
+
   DISALLOW_COPY_AND_ASSIGN(ShelfLayoutManager);
 };