make menus, bubbles, etc. top level windows on aura

ui/views/widget/desktop_aura/desktop_root_window_host_win.cc

Index: ui/views/widget/desktop_aura/desktop_root_window_host_win.cc
diff --git a/ui/views/widget/desktop_aura/desktop_root_window_host_win.cc b/ui/views/widget/desktop_aura/desktop_root_window_host_win.cc
index d1e73a44ef18fa41dab21122f8e31ab7a3f1502d..d03af448bdaea6adc0bf4e3ec0930260e28d2656 100644
--- a/ui/views/widget/desktop_aura/desktop_root_window_host_win.cc
+++ b/ui/views/widget/desktop_aura/desktop_root_window_host_win.cc
@@ -55,7 +55,8 @@ DesktopRootWindowHostWin::DesktopRootWindowHostWin(
       native_widget_delegate_(native_widget_delegate),
       desktop_native_widget_aura_(desktop_native_widget_aura),
       root_window_host_delegate_(NULL),
-      content_window_(NULL) {
+      content_window_(NULL),
+      window_expansion_(0, 0, 0, 0) {

[sky, 2013/03/14 20:06:37]

nit: this is the default.

[scottmg, 2013/03/14 22:51:53]

Done.

 }
 
 DesktopRootWindowHostWin::~DesktopRootWindowHostWin() {
@@ -167,6 +168,10 @@ aura::RootWindow* DesktopRootWindowHostWin::Init(
   return root_window_;
 }
 
+void DesktopRootWindowHostWin::InitFocus(aura::Window* window) {
+  focus_client_->FocusWindow(window);
+}
+
 void DesktopRootWindowHostWin::Close() {
   message_handler_->Close();
 }
@@ -379,7 +384,11 @@ gfx::Rect DesktopRootWindowHostWin::GetBounds() const {
 }
 
 void DesktopRootWindowHostWin::SetBounds(const gfx::Rect& bounds) {
-  message_handler_->SetBounds(bounds);
+  gfx::Rect expanded(bounds.x() + window_expansion_.x(),
+                     bounds.y() + window_expansion_.y(),
+                     bounds.width() + window_expansion_.width(),
+                     bounds.height() + window_expansion_.height());
+  message_handler_->SetBounds(expanded);
 }
 
 gfx::Insets DesktopRootWindowHostWin::GetInsets() const {
@@ -454,6 +463,12 @@ void DesktopRootWindowHostWin::OnDeviceScaleFactorChanged(
 void DesktopRootWindowHostWin::PrepareForShutdown() {
 }
 
+void DesktopRootWindowHostWin::SetHostWindowExpansion(const gfx::Rect& extra) {
+  window_expansion_ = extra;
+  SetBounds(GetBounds());
+}
+
+

[sky, 2013/03/14 20:06:37]

nit: remove one of these newlines.

[scottmg, 2013/03/14 22:51:53]

Done.

 ////////////////////////////////////////////////////////////////////////////////
 // DesktopRootWindowHostWin, HWNDMessageHandlerDelegate implementation:
 
@@ -652,10 +667,12 @@ void DesktopRootWindowHostWin::HandleVisibilityChanged(bool visible) {
 
 void DesktopRootWindowHostWin::HandleClientSizeChanged(
     const gfx::Size& new_size) {
+  gfx::Size without_expansion(new_size.width() - window_expansion_.width(),
+                              new_size.height() - window_expansion_.height());
   if (root_window_host_delegate_)
     root_window_host_delegate_->OnHostResized(new_size);
   // TODO(beng): replace with a layout manager??
-  content_window_->SetBounds(gfx::Rect(new_size));
+  content_window_->SetBounds(gfx::Rect(without_expansion));
 }
 
 void DesktopRootWindowHostWin::HandleFrameChanged() {