Convert chrome/common to std::unique_ptr

chrome/common/extensions/chrome_extensions_client_unittest.cc

Index: chrome/common/extensions/chrome_extensions_client_unittest.cc
diff --git a/chrome/common/extensions/chrome_extensions_client_unittest.cc b/chrome/common/extensions/chrome_extensions_client_unittest.cc
index ad2de89f1f3f046f92b3a0a2521507a95849bc35..0c2ebd649d0df888bdfe66063b864d0ddee4a88d 100644
--- a/chrome/common/extensions/chrome_extensions_client_unittest.cc
+++ b/chrome/common/extensions/chrome_extensions_client_unittest.cc
@@ -4,6 +4,7 @@
 
 #include "chrome/common/extensions/chrome_extensions_client.h"
 
+#include <memory>
 #include <set>
 #include <string>
 
@@ -24,7 +25,7 @@ class ChromeExtensionsClientTest : public testing::Test {
   }
 
  private:
-  scoped_ptr<ChromeExtensionsClient> extensions_client_;
+  std::unique_ptr<ChromeExtensionsClient> extensions_client_;
 };
 
 // Test that a browser action extension returns a path to an icon.