Replace scoped_ptr with std::unique_ptr in //ui

ui/views/controls/webview/webview.h

Index: ui/views/controls/webview/webview.h
diff --git a/ui/views/controls/webview/webview.h b/ui/views/controls/webview/webview.h
index 9ff7c7f6091ac38865ed7da840fe92bb111d9f3c..cac8ae65c611a3423a54246f16141758686a6728 100644
--- a/ui/views/controls/webview/webview.h
+++ b/ui/views/controls/webview/webview.h
@@ -7,8 +7,9 @@
 
 #include <stdint.h>
 
+#include <memory>
+
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "content/public/browser/render_process_host_observer.h"
 #include "content/public/browser/web_contents_delegate.h"
 #include "content/public/browser/web_contents_observer.h"
@@ -98,8 +99,8 @@ class WEBVIEW_EXPORT WebView : public View,
  protected:
   // Swaps the owned WebContents |wc_owner_| with |new_web_contents|. Returns
   // the previously owned WebContents.
-  scoped_ptr<content::WebContents> SwapWebContents(
-      scoped_ptr<content::WebContents> new_web_contents);
+  std::unique_ptr<content::WebContents> SwapWebContents(
+      std::unique_ptr<content::WebContents> new_web_contents);
 
   // Called when the web contents is successfully attached.
   virtual void OnWebContentsAttached() {}
@@ -159,7 +160,7 @@ class WEBVIEW_EXPORT WebView : public View,
 
   NativeViewHost* const holder_;
   // Non-NULL if |web_contents()| was created and is owned by this WebView.
-  scoped_ptr<content::WebContents> wc_owner_;
+  std::unique_ptr<content::WebContents> wc_owner_;
   // The RenderProcessHost to which this RenderProcessHostObserver is added.
   // Since WebView::GetTextInputClient is relying on RWHV::GetTextInputClient,
   // we have to observe the lifecycle of the underlying RWHV through