Convert //extensions/renderer from scoped_ptr to std::unique_ptr

extensions/renderer/api_test_base.h

Index: extensions/renderer/api_test_base.h
diff --git a/extensions/renderer/api_test_base.h b/extensions/renderer/api_test_base.h
index 8b62049924ce87ebccfeb736ab81c7db45574b5f..9d86818b1e3c4dabba4af3f7add38a0822143280 100644
--- a/extensions/renderer/api_test_base.h
+++ b/extensions/renderer/api_test_base.h
@@ -91,7 +91,7 @@ class ApiTestEnvironment {
 
   ModuleSystemTestEnvironment* env_;
   TestServiceProvider* service_provider_;
-  scoped_ptr<V8SchemaRegistry> v8_schema_registry_;
+  std::unique_ptr<V8SchemaRegistry> v8_schema_registry_;
 };
 
 // A base class for unit testing apps/extensions API custom bindings implemented
@@ -116,7 +116,7 @@ class ApiTestBase : public ModuleSystemTest {
 
  private:
   base::MessageLoop message_loop_;
-  scoped_ptr<ApiTestEnvironment> test_env_;
+  std::unique_ptr<ApiTestEnvironment> test_env_;
 };
 
 }  // namespace extensions