Revert 124385 - Allows tab dragging when maximized on aura. To fix it I made it so

ash/wm/workspace/workspace_window_resizer.cc

Index: ash/wm/workspace/workspace_window_resizer.cc
===================================================================
--- ash/wm/workspace/workspace_window_resizer.cc	(revision 124386)
+++ ash/wm/workspace/workspace_window_resizer.cc	(working copy)
@@ -4,7 +4,6 @@
 
 #include "ash/wm/workspace/workspace_window_resizer.h"
 
-#include "ash/wm/window_util.h"
 #include "ui/aura/window.h"
 #include "ui/aura/window_delegate.h"
 #include "ui/aura/window_property.h"
@@ -31,10 +30,8 @@
                                                const gfx::Point& location,
                                                int window_component,
                                                int grid_size)
-    : WindowResizer(window, location, window_component, grid_size),
-      constrain_size_(wm::IsWindowNormal(window)) {
+    : WindowResizer(window, location, window_component, grid_size) {
   if (is_resizable() && GetHeightBeforeObscured(window) &&
-      constrain_size_ &&
       (!WindowTouchesBottomOfScreen() ||
        bounds_change() != kBoundsChange_Repositions)) {
     ClearHeightBeforeObscured(window);
@@ -87,9 +84,6 @@
 }
 
 void WorkspaceWindowResizer::AdjustBounds(gfx::Rect* bounds) const {
-  if (!constrain_size_)
-    return;
-
   gfx::Rect work_area(gfx::Screen::GetMonitorWorkAreaNearestWindow(window()));
   if (bounds->bottom() < work_area.bottom()) {
     int height = GetHeightBeforeObscured(window());