Make various views SetShape() methods take an unique_ptr.

ui/views/widget/desktop_aura/desktop_window_tree_host_x11.cc

 // 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 "ui/views/widget/desktop_aura/desktop_window_tree_host_x11.h"
 
 #include <X11/extensions/shape.h>
 #include <X11/extensions/XInput2.h>
 #include <X11/Xatom.h>
 #include <X11/Xregion.h>
@@ skipping 570 matching lines @@
   if (workspace_ == workspace_str)
     return false;
   workspace_ = workspace_str;
   return true;
 }
 
 gfx::Rect DesktopWindowTreeHostX11::GetWorkAreaBoundsInScreen() const {
   return ToDIPRect(GetWorkAreaBoundsInPixels());
 }
 
-void DesktopWindowTreeHostX11::SetShape(SkRegion* native_region) {
+void DesktopWindowTreeHostX11::SetShape(
+    std::unique_ptr<SkRegion> native_region) {
   custom_window_shape_ = false;
   window_shape_.reset();
 
   if (native_region) {
     gfx::Transform transform = GetRootTransform();
     if (!transform.IsIdentity() && !native_region->isEmpty()) {
       SkPath path_in_dip;
       if (native_region->getBoundaryPath(&path_in_dip)) {
         SkPath path_in_pixels;
         path_in_dip.transform(transform.matrix(), &path_in_pixels);
         window_shape_.reset(gfx::CreateRegionFromSkPath(path_in_pixels));
       } else {
         window_shape_.reset(XCreateRegion());
       }
     } else {
       window_shape_.reset(gfx::CreateRegionFromSkRegion(*native_region));
     }
 
     custom_window_shape_ = true;
-    delete native_region;
   }
   ResetWindowRegion();
 }
 
 void DesktopWindowTreeHostX11::Activate() {
   if (!window_mapped_)
     return;
 
   X11DesktopHandler::get()->ActivateWindow(xwindow_);
 }
@@ skipping 125 matching lines @@
   std::string utf8str = base::UTF16ToUTF8(title);
   XChangeProperty(xdisplay_,
                   xwindow_,
                   atom_cache_.GetAtom("_NET_WM_NAME"),
                   atom_cache_.GetAtom("UTF8_STRING"),
                   8,
                   PropModeReplace,
                   reinterpret_cast<const unsigned char*>(utf8str.c_str()),
                   utf8str.size());
   XTextProperty xtp;
-  char *c_utf8_str = const_cast<char *>(utf8str.c_str());
+  char* c_utf8_str = const_cast<char*>(utf8str.c_str());
   if (Xutf8TextListToTextProperty(xdisplay_, &c_utf8_str, 1,
                                   XUTF8StringStyle, &xtp) == Success) {
     XSetWMName(xdisplay_, xwindow_, &xtp);
     XFree(xtp.value);
   }
   return true;
 }
 
 void DesktopWindowTreeHostX11::ClearNativeFocus() {
   // This method is weird and misnamed. Instead of clearing the native focus,
@@ skipping 1326 matching lines @@
   if (linux_ui) {
     ui::NativeTheme* native_theme = linux_ui->GetNativeTheme(window);
     if (native_theme)
       return native_theme;
   }
 
   return ui::NativeThemeAura::instance();
 }
 
 }  // namespace views