Couple of changes for client area

services/ui/ws/window_tree.cc

 // 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 "services/ui/ws/window_tree.h"
 
 #include <stddef.h>
 
 #include <utility>
 
@@ skipping 1444 matching lines @@
       DispatchInputEventImpl(target, *event);
   }
 }
 
 void WindowTree::SetClientArea(Id transport_window_id,
                                const gfx::Insets& insets,
                                const base::Optional<std::vector<gfx::Rect>>&
                                    transport_additional_client_areas) {
   ServerWindow* window =
       GetWindowByClientId(ClientWindowId(transport_window_id));
-  if (!window || !access_policy_->CanSetClientArea(window))
+  DVLOG(3) << "SetClientArea client window_id=" << transport_window_id
+           << " global window_id="
+           << (window ? WindowIdToTransportId(window->id()) : 0)
+           << " insets=" << insets.top() << " " << insets.left() << " "
+           << insets.bottom() << " " << insets.right();
+  if (!window) {
+    DVLOG(1) << "SetClientArea failed, no window";
     return;
+  }
+  if (!access_policy_->CanSetClientArea(window)) {
+    DVLOG(1) << "SetClientArea failed, access denied";
+    return;
+  }
 
+  Operation op(this, window_server_, OperationType::SET_CLIENT_AREA);
   window->SetClientArea(insets, transport_additional_client_areas.value_or(
                                     std::vector<gfx::Rect>()));
 }
 
 void WindowTree::SetHitTestMask(Id transport_window_id,
                                 const base::Optional<gfx::Rect>& mask) {
   ServerWindow* window =
       GetWindowByClientId(ClientWindowId(transport_window_id));
   if (!window || !access_policy_->CanSetHitTestMask(window)) {
     DVLOG(1) << "SetHitTestMask failed";
@@ skipping 487 matching lines @@
   client()->OnCompleteDrop(client_window_id.id, event_flags, cursor_offset,
                            effect_bitmask, callback);
 }
 
 void WindowTree::PerformOnDragDropDone() {
   client()->OnDragDropDone();
 }
 
 }  // namespace ws
 }  // namespace ui