Replace scoped_ptr with std::unique_ptr in //ui

ui/keyboard/content/keyboard_ui_content.cc

Index: ui/keyboard/content/keyboard_ui_content.cc
diff --git a/ui/keyboard/content/keyboard_ui_content.cc b/ui/keyboard/content/keyboard_ui_content.cc
index 7f97525348f37acc9c02407953cafaeccc301c2e..cd6a2ab3a753c11ec8bfc8623193d8aea9913324 100644
--- a/ui/keyboard/content/keyboard_ui_content.cc
+++ b/ui/keyboard/content/keyboard_ui_content.cc
@@ -166,7 +166,7 @@ void KeyboardUIContent::UpdateInsetsForWindow(aura::Window* window) {
   if (!ShouldWindowOverscroll(window))
     return;
 
-  scoped_ptr<content::RenderWidgetHostIterator> widgets(
+  std::unique_ptr<content::RenderWidgetHostIterator> widgets(
       content::RenderWidgetHost::GetRenderWidgetHosts());
   while (content::RenderWidgetHost* widget = widgets->GetNextHost()) {
     content::RenderWidgetHostView* view = widget->GetView();
@@ -230,7 +230,7 @@ void KeyboardUIContent::InitInsets(const gfx::Rect& new_bounds) {
   // display.
   // TODO(kevers): Add EnvObserver to properly initialize insets if a
   // window is created while the keyboard is visible.
-  scoped_ptr<content::RenderWidgetHostIterator> widgets(
+  std::unique_ptr<content::RenderWidgetHostIterator> widgets(
       content::RenderWidgetHost::GetRenderWidgetHosts());
   while (content::RenderWidgetHost* widget = widgets->GetNextHost()) {
     content::RenderWidgetHostView* view = widget->GetView();
@@ -255,7 +255,7 @@ void KeyboardUIContent::InitInsets(const gfx::Rect& new_bounds) {
 
 void KeyboardUIContent::ResetInsets() {
   const gfx::Insets insets;
-  scoped_ptr<content::RenderWidgetHostIterator> widgets(
+  std::unique_ptr<content::RenderWidgetHostIterator> widgets(
       content::RenderWidgetHost::GetRenderWidgetHosts());
   while (content::RenderWidgetHost* widget = widgets->GetNextHost()) {
     content::RenderWidgetHostView* view = widget->GetView();