Makes windowmanager draw non-client area

components/mus/ws/server_window.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/server_window.h"
 
 #include <inttypes.h>
 
 #include "base/strings/stringprintf.h"
 #include "components/mus/ws/server_window_delegate.h"
@@ skipping 104 matching lines @@
   FOR_EACH_OBSERVER(ServerWindowObserver, observers_,
                     OnWindowReordered(this, relative, direction));
 }
 
 void ServerWindow::SetBounds(const gfx::Rect& bounds) {
   if (bounds_ == bounds)
     return;
 
   // TODO(fsamuel): figure out how will this work with CompositorFrames.
 
-  // |client_area_| is relative to the bounds. If the size of bounds change
-  // we have to reset the client area. We assume any size change is quicky
-  // followed by a client area change.
-  if (bounds_.size() != bounds.size())
-    client_area_ = gfx::Rect(bounds.size());
-
   const gfx::Rect old_bounds = bounds_;
   bounds_ = bounds;
   FOR_EACH_OBSERVER(ServerWindowObserver, observers_,
                     OnWindowBoundsChanged(this, old_bounds, bounds));
 }
 
-void ServerWindow::SetClientArea(const gfx::Rect& bounds) {
-  if (client_area_ == bounds)
+void ServerWindow::SetClientArea(const gfx::Insets& insets) {
+  if (client_area_ == insets)
     return;
 
-  const gfx::Rect old_client_area = client_area_;
-  client_area_ = bounds;
+  const gfx::Insets old_client_area = client_area_;
+  client_area_ = insets;
   FOR_EACH_OBSERVER(ServerWindowObserver, observers_,
-                    OnWindowClientAreaChanged(this, old_client_area, bounds));
+                    OnWindowClientAreaChanged(this, old_client_area, insets));
 }
 
 const ServerWindow* ServerWindow::GetRoot() const {
   return delegate_->GetRootWindow(this);
 }
 
 std::vector<const ServerWindow*> ServerWindow::GetChildren() const {
   std::vector<const ServerWindow*> children;
   children.reserve(children_.size());
   for (size_t i = 0; i < children_.size(); ++i)
@@ skipping 122 matching lines @@
 #endif
 
 void ServerWindow::RemoveImpl(ServerWindow* window) {
   window->parent_ = NULL;
   children_.erase(std::find(children_.begin(), children_.end(), window));
 }
 
 }  // namespace ws
 
 }  // namespace mus