Makes windowmanager draw non-client area

components/mus/ws/connection_manager.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 "components/mus/ws/connection_manager.h"
 
 #include "base/logging.h"
 #include "base/stl_util.h"
 #include "components/mus/ws/client_connection.h"
 #include "components/mus/ws/connection_manager_delegate.h"
@@ skipping 237 matching lines @@
     const gfx::Rect& old_bounds,
     const gfx::Rect& new_bounds) {
   for (auto& pair : connection_map_) {
     pair.second->service()->ProcessWindowBoundsChanged(
         window, old_bounds, new_bounds, IsChangeSource(pair.first));
   }
 }
 
 void ConnectionManager::ProcessClientAreaChanged(
     const ServerWindow* window,
-    const gfx::Rect& old_client_area,
-    const gfx::Rect& new_client_area) {
+    const gfx::Insets& old_client_area,
+    const gfx::Insets& new_client_area) {
   for (auto& pair : connection_map_) {
     pair.second->service()->ProcessClientAreaChanged(
         window, old_client_area, new_client_area, IsChangeSource(pair.first));
   }
 }
 
 void ConnectionManager::ProcessWillChangeWindowHierarchy(
     const ServerWindow* window,
     const ServerWindow* new_parent,
     const ServerWindow* old_parent) {
@@ skipping 110 matching lines @@
   if (!window->parent())
     return;
 
   // TODO(sky): optimize this.
   SchedulePaint(window->parent(), old_bounds);
   SchedulePaint(window->parent(), new_bounds);
 }
 
 void ConnectionManager::OnWindowClientAreaChanged(
     ServerWindow* window,
-    const gfx::Rect& old_client_area,
-    const gfx::Rect& new_client_area) {
+    const gfx::Insets& old_client_area,
+    const gfx::Insets& new_client_area) {
   if (in_destructor_)
     return;
 
   ProcessClientAreaChanged(window, old_client_area, new_client_area);
 }
 
 void ConnectionManager::OnWindowReordered(ServerWindow* window,
                                           ServerWindow* relative,
                                           mojom::OrderDirection direction) {
   if (!in_destructor_)
@@ skipping 31 matching lines @@
 void ConnectionManager::OnWindowTextInputStateChanged(
     ServerWindow* window,
     const ui::TextInputState& state) {
   WindowTreeHostImpl* host = GetWindowTreeHostByWindow(window);
   host->UpdateTextInputState(window, state);
 }
 
 }  // namespace ws
 
 }  // namespace mus