Reland of Delete class ScopedPtrCollection. Replaced with vector of unique_ptr.

webrtc/base/scopedptrcollection.h

Index: webrtc/base/scopedptrcollection.h
diff --git a/webrtc/base/scopedptrcollection.h b/webrtc/base/scopedptrcollection.h
deleted file mode 100644
index a4be035695aade4fde4b97af83493eb2f2e96ed8..0000000000000000000000000000000000000000
--- a/webrtc/base/scopedptrcollection.h
+++ /dev/null
@@ -1,61 +0,0 @@
-/*
- *  Copyright 2014 The WebRTC Project Authors. All rights reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree. An additional intellectual property rights grant can be found
- *  in the file PATENTS.  All contributing project authors may
- *  be found in the AUTHORS file in the root of the source tree.
- */
-
-// Stores a collection of pointers that are deleted when the container is
-// destructed.
-
-#ifndef WEBRTC_BASE_SCOPEDPTRCOLLECTION_H_
-#define WEBRTC_BASE_SCOPEDPTRCOLLECTION_H_
-
-#include <stddef.h>
-
-#include <algorithm>
-#include <vector>
-
-#include "webrtc/base/constructormagic.h"
-
-namespace rtc {
-
-template<class T>
-class ScopedPtrCollection {
- public:
-  typedef std::vector<T*> VectorT;
-
-  ScopedPtrCollection() { }
-  ~ScopedPtrCollection() {
-    for (typename VectorT::iterator it = collection_.begin();
-         it != collection_.end(); ++it) {
-      delete *it;
-    }
-  }
-
-  const VectorT& collection() const { return collection_; }
-  void Reserve(size_t size) {
-    collection_.reserve(size);
-  }
-  void PushBack(T* t) {
-    collection_.push_back(t);
-  }
-
-  // Remove |t| from the collection without deleting it.
-  void Remove(T* t) {
-    collection_.erase(std::remove(collection_.begin(), collection_.end(), t),
-                      collection_.end());
-  }
-
- private:
-  VectorT collection_;
-
-  RTC_DISALLOW_COPY_AND_ASSIGN(ScopedPtrCollection);
-};
-
-}  // namespace rtc
-
-#endif  // WEBRTC_BASE_SCOPEDPTRCOLLECTION_H_