Make aura_demo work on Mac

ui/aura/root_window_host_mac.mm

Index: ui/aura/root_window_host_mac.mm
diff --git a/ui/aura/root_window_host_mac.mm b/ui/aura/root_window_host_mac.mm
new file mode 100644
index 0000000000000000000000000000000000000000..6af753efa16b68d3d9fd6d2eeda410093c7b894f
--- /dev/null
+++ b/ui/aura/root_window_host_mac.mm
@@ -0,0 +1,121 @@
+// Copyright (c) 2012 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 <Cocoa/Cocoa.h>
+
+#include "ui/aura/root_window_host_mac.h"
+#include "ui/aura/window_tree_host.h"
+#include "ui/aura/window_tree_host_delegate.h"
+
+namespace aura {
+
+RootWindowHostMac::RootWindowHostMac(const gfx::Rect& bounds) {
+  window_.reset(
+      [[NSWindow alloc]
+          initWithContentRect:NSRectFromCGRect(bounds.ToCGRect())
+                    styleMask:NSBorderlessWindowMask
+                      backing:NSBackingStoreBuffered
+                        defer:NO]);
+  CreateCompositor(GetAcceleratedWidget());
+}
+
+RootWindowHostMac::~RootWindowHostMac() {
+}
+
+RootWindow* RootWindowHostMac::GetRootWindow() {
+  return delegate_->AsRootWindow();
+}
+
+gfx::AcceleratedWidget RootWindowHostMac::GetAcceleratedWidget() {
+  return [window_ contentView];
+}
+void RootWindowHostMac::Show() {
+  [window_ makeKeyAndOrderFront:nil];
+}
+
+void RootWindowHostMac::Hide() {
+  [window_ orderOut:nil];
+}
+
+void RootWindowHostMac::ToggleFullScreen() {
+}
+
+gfx::Rect RootWindowHostMac::GetBounds() const {
+  return gfx::Rect(NSRectToCGRect([window_ frame]));
+}
+
+void RootWindowHostMac::SetBounds(const gfx::Rect& bounds) {
+  [window_ setFrame:NSRectFromCGRect(bounds.ToCGRect()) display:YES animate:NO];
+}
+
+gfx::Insets RootWindowHostMac::GetInsets() const {
+  NOTIMPLEMENTED();
+  return gfx::Insets();
+}
+
+void RootWindowHostMac::SetInsets(const gfx::Insets& insets) {
+  NOTIMPLEMENTED();
+}
+
+gfx::Point RootWindowHostMac::GetLocationOnNativeScreen() const {
+  NOTIMPLEMENTED();
+  return gfx::Point(0, 0);
+}
+
+void RootWindowHostMac::SetCapture() {
+  NOTIMPLEMENTED();
+}
+
+void RootWindowHostMac::ReleaseCapture() {
+  NOTIMPLEMENTED();
+}
+
+void RootWindowHostMac::SetCursor(gfx::NativeCursor cursor_type) {
+  NOTIMPLEMENTED();
+}
+
+bool RootWindowHostMac::QueryMouseLocation(gfx::Point* location_return) {
+  NOTIMPLEMENTED();
+  return false;
+}
+
+bool RootWindowHostMac::ConfineCursorToRootWindow() {
+  return false;
+}
+
+void RootWindowHostMac::UnConfineCursor() {
+  NOTIMPLEMENTED();
+}
+
+void RootWindowHostMac::OnCursorVisibilityChanged(bool show) {
+  NOTIMPLEMENTED();
+}
+
+void RootWindowHostMac::MoveCursorTo(const gfx::Point& location) {
+  NOTIMPLEMENTED();
+}
+
+void RootWindowHostMac::PostNativeEvent(const base::NativeEvent& event) {
+  NOTIMPLEMENTED();
+}
+
+void RootWindowHostMac::OnDeviceScaleFactorChanged(float device_scale_factor) {
+  NOTIMPLEMENTED();
+}
+
+void RootWindowHostMac::PrepareForShutdown() {
+  NOTIMPLEMENTED();
+}
+
+// static
+RootWindowHost* RootWindowHost::Create(const gfx::Rect& bounds) {
+  return new RootWindowHostMac(bounds);
+}
+
+// static
+gfx::Size RootWindowHost::GetNativeScreenSize() {
+  return gfx::Size(1024, 768);
+}
+
+}  // namespace aura