Eliminate ash::internal namespace

ash/wm/workspace/workspace_window_resizer.cc

Index: ash/wm/workspace/workspace_window_resizer.cc
diff --git a/ash/wm/workspace/workspace_window_resizer.cc b/ash/wm/workspace/workspace_window_resizer.cc
index 6223de3e452cc396f23739af747f292595fe26fa..75fedaa35a9b9623fd849e3d2f1fa867d9fdd484 100644
--- a/ash/wm/workspace/workspace_window_resizer.cc
+++ b/ash/wm/workspace/workspace_window_resizer.cc
@@ -84,33 +84,27 @@ scoped_ptr<WindowResizer> CreateWindowResizer(
   window_state->CreateDragDetails(window, point_in_parent, window_component,
       source);
   if (window->parent() &&
-      (window->parent()->id() == internal::kShellWindowId_DefaultContainer ||
-       window->parent()->id() == internal::kShellWindowId_DockedContainer ||
-       window->parent()->id() == internal::kShellWindowId_PanelContainer)) {
-    window_resizer = internal::WorkspaceWindowResizer::Create(
-        window_state,
-        std::vector<aura::Window*>());
+      (window->parent()->id() == kShellWindowId_DefaultContainer ||
+       window->parent()->id() == kShellWindowId_DockedContainer ||
+       window->parent()->id() == kShellWindowId_PanelContainer)) {
+    window_resizer = WorkspaceWindowResizer::Create(
+        window_state, std::vector<aura::Window*>());
   } else {
     window_resizer = DefaultWindowResizer::Create(window_state);
   }
-  window_resizer = internal::DragWindowResizer::Create(window_resizer,
-                                                       window_state);
+  window_resizer = DragWindowResizer::Create(window_resizer, window_state);
   if (window->type() == ui::wm::WINDOW_TYPE_PANEL)
     window_resizer = PanelWindowResizer::Create(window_resizer, window_state);
-  if (switches::UseDockedWindows() &&
-      window_resizer && window->parent() &&
+  if (switches::UseDockedWindows() && window_resizer && window->parent() &&
       !::wm::GetTransientParent(window) &&
-      (window->parent()->id() == internal::kShellWindowId_DefaultContainer ||
-       window->parent()->id() == internal::kShellWindowId_DockedContainer ||
-       window->parent()->id() == internal::kShellWindowId_PanelContainer)) {
-    window_resizer = internal::DockedWindowResizer::Create(window_resizer,
-                                                           window_state);
+      (window->parent()->id() == kShellWindowId_DefaultContainer ||
+       window->parent()->id() == kShellWindowId_DockedContainer ||
+       window->parent()->id() == kShellWindowId_PanelContainer)) {
+    window_resizer = DockedWindowResizer::Create(window_resizer, window_state);
   }
   return make_scoped_ptr<WindowResizer>(window_resizer);
 }
 
-namespace internal {
-
 namespace {
 
 // Snapping distance used instead of WorkspaceWindowResizer::kScreenEdgeInset
@@ -1047,5 +1041,4 @@ bool WorkspaceWindowResizer::AreBoundsValidSnappedBounds(
   return bounds_in_parent == snapped_bounds;
 }
 
-}  // namespace internal
 }  // namespace ash