4 files changed, 5 insertions, 4 deletions
diff --git a/ash/shelf/shelf.cc b/ash/shelf/shelf.cc
index 2d988fc..f9d3704 100644
--- a/ash/shelf/shelf.cc
+++ b/ash/shelf/shelf.cc
@@ -80,7 +80,8 @@ void Shelf::SetAlignment(ShelfAlignment alignment) {
   // ShelfLayoutManager will resize the shelf.
 }
 
-gfx::Rect Shelf::GetScreenBoundsOfItemIconForWindow(aura::Window* window) {
+gfx::Rect Shelf::GetScreenBoundsOfItemIconForWindow(
+    const aura::Window* window) {
   ShelfID id = GetShelfIDForWindow(window);
   gfx::Rect bounds(shelf_view_->GetIdealBoundsOfItemIcon(id));
   gfx::Point screen_origin;
diff --git a/ash/shelf/shelf.h b/ash/shelf/shelf.h
index 2b06d82..88cd060 100644
--- a/ash/shelf/shelf.h
+++ b/ash/shelf/shelf.h
@@ -63,7 +63,7 @@ class ASH_EXPORT Shelf {
 
   // Returns the screen bounds of the item for the specified window. If there is
   // no item for the specified window an empty rect is returned.
-  gfx::Rect GetScreenBoundsOfItemIconForWindow(aura::Window* window);
+  gfx::Rect GetScreenBoundsOfItemIconForWindow(const aura::Window* window);
 
   // Updates the icon position given the current window bounds. This is used
   // when dragging panels to reposition them with respect to the other panels.
diff --git a/ash/shelf/shelf_util.cc b/ash/shelf/shelf_util.cc
index 2d008ff..af773b4 100644
--- a/ash/shelf/shelf_util.cc
+++ b/ash/shelf/shelf_util.cc
@@ -27,7 +27,7 @@ void SetShelfIDForWindow(ShelfID id, aura::Window* window) {
   window->SetProperty(kShelfID, id);
 }
 
-ShelfID GetShelfIDForWindow(aura::Window* window) {
+ShelfID GetShelfIDForWindow(const aura::Window* window) {
   DCHECK(window);
   return window->GetProperty(kShelfID);
 }
diff --git a/ash/shelf/shelf_util.h b/ash/shelf/shelf_util.h
index 7e5dae1..f93f42e 100644
--- a/ash/shelf/shelf_util.h
+++ b/ash/shelf/shelf_util.h
@@ -30,7 +30,7 @@ ASH_EXPORT void SetShelfIDForWindow(ShelfID id, aura::Window* window);
 // or 0 if there isn't one.
 // Note: Window of a tabbed browser will return the |ShelfID| of the
 // currently active tab.
-ASH_EXPORT ShelfID GetShelfIDForWindow(aura::Window* window);
+ASH_EXPORT ShelfID GetShelfIDForWindow(const aura::Window* window);
 
 // Sets ShelfItemDetails for |window|.
 ASH_EXPORT void SetShelfItemDetailsForWindow(aura::Window* window,