Makes windowmanager draw non-client area

components/mus/ws/server_window.h

Index: components/mus/ws/server_window.h
diff --git a/components/mus/ws/server_window.h b/components/mus/ws/server_window.h
index 0fa7810c91f057c28f54a545a40d4cf32038fd4e..614c0827467917ec7b032e07ddbfe13f2324a236 100644
--- a/components/mus/ws/server_window.h
+++ b/components/mus/ws/server_window.h
@@ -15,12 +15,12 @@
 #include "components/mus/ws/ids.h"
 #include "components/mus/ws/server_window_surface.h"
 #include "third_party/mojo/src/mojo/public/cpp/bindings/binding.h"
+#include "ui/gfx/geometry/insets.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/transform.h"
 #include "ui/platform_window/text_input_state.h"
 
 namespace mus {
-
 namespace ws {
 
 class ServerWindowDelegate;
@@ -66,8 +66,8 @@ class ServerWindow {
   // area to fill the whole bounds.
   void SetBounds(const gfx::Rect& bounds);
 
-  const gfx::Rect& client_area() const { return client_area_; }
-  void SetClientArea(const gfx::Rect& bounds);
+  const gfx::Insets& client_area() const { return client_area_; }
+  void SetClientArea(const gfx::Insets& insets);
 
   const ServerWindow* parent() const { return parent_; }
   ServerWindow* parent() { return parent_; }
@@ -137,7 +137,7 @@ class ServerWindow {
   Windows children_;
   bool visible_;
   gfx::Rect bounds_;
-  gfx::Rect client_area_;
+  gfx::Insets client_area_;
   scoped_ptr<ServerWindowSurfaceManager> surface_manager_;
   float opacity_;
   gfx::Transform transform_;
@@ -151,7 +151,6 @@ class ServerWindow {
 };
 
 }  // namespace ws
-
 }  // namespace mus
 
 #endif  // COMPONENTS_MUS_WS_SERVER_WINDOW_H_