Fix remaining incompatibilities between scoped_ptr and unique_ptr.

content/browser/web_contents/aura/overscroll_navigation_overlay_unittest.cc

 // Copyright 2014 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 "content/browser/web_contents/aura/overscroll_navigation_overlay.h"
 
 #include <string.h>
 #include <utility>
 #include <vector>
 
@@ skipping 94 matching lines @@
     ViewHostMsg_DidFirstVisuallyNonEmptyPaint msg(
         main_test_rfh()->GetRoutingID());
     RenderViewHostTester::TestOnMessageReceived(test_rvh(), msg);
   }
 
   void PerformBackNavigationViaSliderCallbacks() {
     // Sets slide direction to BACK, sets screenshot from NavEntry at
     // offset -1 on layer_delegate_.
     scoped_ptr<aura::Window> window(
         GetOverlay()->CreateBackWindow(GetBackSlideWindowBounds()));
-    bool window_created = window;
+    bool window_created = !!window;
     // Performs BACK navigation, sets image from layer_delegate_ on
     // image_delegate_.
     GetOverlay()->OnOverscrollCompleting();
     if (window_created)
       EXPECT_EQ(GetOverlay()->direction_, OverscrollNavigationOverlay::BACK);
     else
       EXPECT_EQ(GetOverlay()->direction_, OverscrollNavigationOverlay::NONE);
     window->SetBounds(gfx::Rect(root_window()->bounds().size()));
     GetOverlay()->OnOverscrollCompleted(std::move(window));
     if (IsBrowserSideNavigationEnabled())
@@ skipping 279 matching lines @@
   EXPECT_TRUE(GetOverlay()->window_.get());
 
   // Load the page.
   contents()->CommitPendingNavigation();
   ReceivePaintUpdate();
   EXPECT_FALSE(GetOverlay()->window_.get());
   EXPECT_EQ(contents()->GetURL(), first());
 }
 
 }  // namespace content