Remove more 'using' declarations of Scoped* from scoped_handle_win.h

chrome/browser/ui/views/dropdown_bar_host.cc

Index: chrome/browser/ui/views/dropdown_bar_host.cc
diff --git a/chrome/browser/ui/views/dropdown_bar_host.cc b/chrome/browser/ui/views/dropdown_bar_host.cc
index f3367d2faddf54175e6f7afa89f3bdbd4194d5fb..1134c8ca0a525cc6aed98319e395edd3598efe01 100644
--- a/chrome/browser/ui/views/dropdown_bar_host.cc
+++ b/chrome/browser/ui/views/dropdown_bar_host.cc
@@ -6,7 +6,6 @@
 
 #include "app/keyboard_codes.h"
 #include "app/slide_animation.h"
-#include "base/scoped_handle.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/view_ids.h"
 #include "chrome/browser/ui/views/dropdown_bar_view.h"
@@ -17,10 +16,22 @@
 #include "views/focus/view_storage.h"
 #include "views/widget/widget.h"
 
-#if defined(OS_LINUX)
+#if defined(OS_WIN)
+#include "base/win/scoped_gdi_object.h"
+#elif defined(OS_LINUX)
 #include "app/scoped_handle_gtk.h"
 #endif
 
+namespace {
+
+#if defined(OS_WIN)
+typedef base::win::ScopedRegion ScopedPlatformRegion;
+#elif defined(OS_LINUX)
+typedef ScopedRegion ScopedPlatformRegion;
+#endif
+
+}  // namespace
+
 using gfx::Path;
 
 // static
@@ -212,8 +223,7 @@ void DropdownBarHost::UpdateWindowEdges(const gfx::Rect& new_pos) {
   // We then create the polygon and use SetWindowRgn to force the window to draw
   // only within that area. This region may get reduced in size below.
   Path path(polygon, arraysize(polygon));
-  ScopedRegion region(path.CreateNativeRegion());
-
+  ScopedPlatformRegion region(path.CreateNativeRegion());
   // Are we animating?
   if (animation_offset() > 0) {
     // The animation happens in two steps: First, we clip the window and then in
@@ -231,7 +241,8 @@ void DropdownBarHost::UpdateWindowEdges(const gfx::Rect& new_pos) {
     SkRect animation_rect = { SkIntToScalar(0), SkIntToScalar(y),
                               SkIntToScalar(max_x), SkIntToScalar(max_y) };
     animation_path.addRect(animation_rect);
-    ScopedRegion animation_region(animation_path.CreateNativeRegion());
+    ScopedPlatformRegion animation_region(
+        animation_path.CreateNativeRegion());
     region.Set(Path::IntersectRegions(animation_region.Get(), region.Get()));
 
     // Next, we need to increase the region a little bit to account for the
@@ -246,7 +257,7 @@ void DropdownBarHost::UpdateWindowEdges(const gfx::Rect& new_pos) {
 
     // Combine the region for the curve on the left with our main region.
     Path left_path(left_curve, arraysize(left_curve));
-    ScopedRegion r(left_path.CreateNativeRegion());
+    ScopedPlatformRegion r(left_path.CreateNativeRegion());
     region.Set(Path::CombineRegions(r.Get(), region.Get()));
 
     // Combine the region for the curve on the right with our main region.
@@ -284,7 +295,7 @@ void DropdownBarHost::UpdateWindowEdges(const gfx::Rect& new_pos) {
 
     // Subtract this region from the original region.
     gfx::Path exclude_path(exclude, arraysize(exclude));
-    ScopedRegion exclude_region(exclude_path.CreateNativeRegion());
+    ScopedPlatformRegion exclude_region(exclude_path.CreateNativeRegion());
     region.Set(Path::SubtractRegion(region.Get(), exclude_region.Get()));
   }