Eliminate HICON leaks caused by creating icons from bitmap image.

ui/gfx/icon_util.cc

Index: ui/gfx/icon_util.cc
diff --git a/ui/gfx/icon_util.cc b/ui/gfx/icon_util.cc
index f9758d39f67626b02bf8a1f470ff8338452ed793..0b6fdf9f2dcbd2da497a6a23b556ee73503670cc 100644
--- a/ui/gfx/icon_util.cc
+++ b/ui/gfx/icon_util.cc
@@ -340,7 +340,7 @@ HICON IconUtil::CreateCursorFromDIB(const gfx::Size& icon_size,
                        0));
   if (dib_size > 0) {
     SetDIBits(0,
-              bitmap_handle,
+              bitmap_handle.get(),
               0,
               icon_size.height(),
               dib_bits,
@@ -349,7 +349,7 @@ HICON IconUtil::CreateCursorFromDIB(const gfx::Size& icon_size,
   }
 
   HBITMAP old_bitmap = reinterpret_cast<HBITMAP>(
-      SelectObject(working_dc.Get(), bitmap_handle));
+      SelectObject(working_dc.Get(), bitmap_handle.get()));
   SetBkMode(working_dc.Get(), TRANSPARENT);
   SelectObject(working_dc.Get(), old_bitmap);
 
@@ -363,8 +363,8 @@ HICON IconUtil::CreateCursorFromDIB(const gfx::Size& icon_size,
   ii.fIcon = FALSE;
   ii.xHotspot = hotspot.x();
   ii.yHotspot = hotspot.y();
-  ii.hbmMask = mask;
-  ii.hbmColor = bitmap_handle;
+  ii.hbmMask = mask.get();
+  ii.hbmColor = bitmap_handle.get();
 
   return CreateIconIndirect(&ii);
 }