Convert //chrome/browser/ui from scoped_ptr to std::unique_ptr

chrome/browser/ui/views/elevation_icon_setter.cc

Index: chrome/browser/ui/views/elevation_icon_setter.cc
diff --git a/chrome/browser/ui/views/elevation_icon_setter.cc b/chrome/browser/ui/views/elevation_icon_setter.cc
index 877ff9a32480fbac0e9fc1c34f71d20f31967509..7ad062fa22b25cbc7dcb8b82d693c88f339d27ca 100644
--- a/chrome/browser/ui/views/elevation_icon_setter.cc
+++ b/chrome/browser/ui/views/elevation_icon_setter.cc
@@ -24,8 +24,8 @@
 
 namespace {
 
-scoped_ptr<SkBitmap> GetElevationIcon() {
-  scoped_ptr<SkBitmap> icon;
+std::unique_ptr<SkBitmap> GetElevationIcon() {
+  std::unique_ptr<SkBitmap> icon;
 #if defined(OS_WIN)
   if ((base::win::GetVersion() < base::win::VERSION_VISTA) ||
       !base::win::UserAccountControlIsEnabled())
@@ -75,7 +75,7 @@ ElevationIconSetter::~ElevationIconSetter() {
 }
 
 void ElevationIconSetter::SetButtonIcon(const base::Closure& callback,
-                                        scoped_ptr<SkBitmap> icon) {
+                                        std::unique_ptr<SkBitmap> icon) {
   if (icon) {
     float device_scale_factor = 1.0f;
 #if defined(OS_WIN)