Fix remaining incompatibilities between scoped_ptr and unique_ptr.

ui/keyboard/content/keyboard_ui_content.cc

 // Copyright (c) 2013 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/keyboard/content/keyboard_ui_content.h"
 
 #include "base/command_line.h"
 #include "base/macros.h"
 #include "base/values.h"
 #include "content/public/browser/render_widget_host.h"
@@ skipping 183 matching lines @@
     keyboard_contents_->SetDelegate(new KeyboardContentsDelegate(this));
     SetupWebContents(keyboard_contents_.get());
     LoadContents(GetVirtualKeyboardUrl());
     keyboard_contents_->GetNativeView()->AddObserver(this);
   }
 
   return keyboard_contents_->GetNativeView();
 }
 
 bool KeyboardUIContent::HasKeyboardWindow() const {
-  return keyboard_contents_;
+  return !!keyboard_contents_;
 }
 
 bool KeyboardUIContent::ShouldWindowOverscroll(aura::Window* window) const {
   return true;
 }
 
 void KeyboardUIContent::ReloadKeyboardIfNeeded() {
   DCHECK(keyboard_contents_);
   if (keyboard_contents_->GetURL() != GetVirtualKeyboardUrl()) {
     if (keyboard_contents_->GetURL().GetOrigin() !=
@@ skipping 108 matching lines @@
           keyboard_controller()->keyboard_visible());
 }
 
 void KeyboardUIContent::AddBoundsChangedObserver(aura::Window* window) {
   aura::Window* target_window = window ? window->GetToplevelWindow() : nullptr;
   if (target_window)
     window_bounds_observer_->AddObservedWindow(target_window);
 }
 
 }  // namespace keyboard