Fix a few documentation problems

util/stdlib/pointer_container.h

 // Copyright 2014 The Crashpad Authors. All rights reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
 //     http://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
 #ifndef CRASHPAD_UTIL_STDLIB_POINTER_CONTAINER_H_
 #define CRASHPAD_UTIL_STDLIB_POINTER_CONTAINER_H_
 
 #include <vector>
 
+#include "base/basictypes.h"
 #include "base/stl_util.h"
 
 namespace crashpad {
 
-// PointerContainer allows an STL container such as std::vector<> to “own”
-// pointer elements stored in it. When the container is destroyed, “delete” will
-// be called on its pointer elements.
+//! \brief Allows a standard container to “own” pointer elements stored in it.
+//!
+//! When the container is destroyed, `delete` will be called on its pointer
+//! elements.
+//!
+//! \note No attempt is made to `delete` elements that are removed from the
+//!     container by other means, such as replacement or `clear()`.
 template <typename ContainerType>
 class PointerContainer : public ContainerType {
  public:
   PointerContainer() : ContainerType(), pointer_deleter_(this) {}
 
   ~PointerContainer() {}
 
  private:
   STLElementDeleter<ContainerType> pointer_deleter_;
+
+  DISALLOW_COPY_AND_ASSIGN(PointerContainer);
 };
 
+//! \brief Allows a `std::vector` to “own” pointer elements stored in it.
+//!
+//! When the vector is destroyed, `delete` will be called on its pointer
+//! elements.
+//!
+//! \note No attempt is made to `delete` elements that are removed from the
+//!     vector by other means, such as replacement or `clear()`.
 template <typename T>
-class PointerVector : public PointerContainer<std::vector<T*> > {};
+class PointerVector : public PointerContainer<std::vector<T*>> {};
 
 }  // namespace crashpad
 
 #endif  // CRASHPAD_UTIL_STDLIB_POINTER_CONTAINER_H_