Cleanup/ Remove linked_ptr from gin_java_base_object.h/cc

content/browser/android/java/gin_java_bound_object.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/android/java/gin_java_bound_object.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
 #include "base/android/scoped_java_ref.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 165 matching lines @@
               env,
               kJavaLangReflectMethod,
               kIsAnnotationPresent,
               kTakesJavaLangClassReturningBoolean),
           safe_annotation_clazz_.obj());
 
       if (!safe)
         continue;
     }
 
-    JavaMethod* method = new JavaMethod(java_method);
-    methods_.insert(std::make_pair(method->name(), make_linked_ptr(method)));
+    std::unique_ptr<JavaMethod> method(new JavaMethod(java_method));
+    methods_.insert(std::make_pair(method->name(), std::move(method)));
   }
 }
 
 }  // namespace content