Converts DockedWindowLayoutManager to common ash/wm types

ash/wm/common/wm_snap_to_pixel_layout_manager.cc

Index: ash/wm/common/wm_snap_to_pixel_layout_manager.cc
diff --git a/ash/wm/common/wm_snap_to_pixel_layout_manager.cc b/ash/wm/common/wm_snap_to_pixel_layout_manager.cc
new file mode 100644
index 0000000000000000000000000000000000000000..bd1f10aeac18216bb3455c19a97d8539233230a7
--- /dev/null
+++ b/ash/wm/common/wm_snap_to_pixel_layout_manager.cc
@@ -0,0 +1,37 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "ash/wm/common/wm_snap_to_pixel_layout_manager.h"
+
+#include "ash/wm/common/wm_window.h"
+
+namespace ash {
+namespace wm {
+
+WmSnapToPixelLayoutManager::WmSnapToPixelLayoutManager() {}
+
+WmSnapToPixelLayoutManager::~WmSnapToPixelLayoutManager() {}
+
+void WmSnapToPixelLayoutManager::OnWindowResized() {}
+
+void WmSnapToPixelLayoutManager::OnWindowAddedToLayout(WmWindow* child) {}
+
+void WmSnapToPixelLayoutManager::OnWillRemoveWindowFromLayout(WmWindow* child) {
+}
+
+void WmSnapToPixelLayoutManager::OnWindowRemovedFromLayout(WmWindow* child) {}
+
+void WmSnapToPixelLayoutManager::OnChildWindowVisibilityChanged(WmWindow* child,
+                                                                bool visibile) {
+}
+
+void WmSnapToPixelLayoutManager::SetChildBounds(
+    WmWindow* child,
+    const gfx::Rect& requested_bounds) {
+  child->SetBoundsDirect(requested_bounds);
+  child->SnapToPixelBoundaryIfNecessary();
+}
+
+}  // namespace wm
+}  // namespace ash