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Unified Diff: mojo/public/cpp/bindings/lib/clone_equals_util.h

Issue 2686763002: [Mojo Video Capture] Split OnIncomingCapturedVideoFrame() to OnNewBuffer() and OnFrameReadyInBuffer( (Closed)
Patch Set: rebase Created 3 years, 10 months ago
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Index: mojo/public/cpp/bindings/lib/clone_equals_util.h
diff --git a/mojo/public/cpp/bindings/lib/clone_equals_util.h b/mojo/public/cpp/bindings/lib/clone_equals_util.h
deleted file mode 100644
index f7bd898c3001c4e8e086d4e8408411061ad9248b..0000000000000000000000000000000000000000
--- a/mojo/public/cpp/bindings/lib/clone_equals_util.h
+++ /dev/null
@@ -1,161 +0,0 @@
-// Copyright 2016 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.
-
-#ifndef MOJO_PUBLIC_CPP_BINDINGS_LIB_CLONE_EQUALS_UTIL_H_
-#define MOJO_PUBLIC_CPP_BINDINGS_LIB_CLONE_EQUALS_UTIL_H_
-
-#include <type_traits>
-#include <unordered_map>
-#include <vector>
-
-#include "base/optional.h"
-#include "mojo/public/cpp/bindings/lib/template_util.h"
-
-namespace mojo {
-namespace internal {
-
-template <typename T>
-struct HasCloneMethod {
- template <typename U>
- static char Test(decltype(&U::Clone));
- template <typename U>
- static int Test(...);
- static const bool value = sizeof(Test<T>(0)) == sizeof(char);
-
- private:
- EnsureTypeIsComplete<T> check_t_;
-};
-
-template <typename T, bool has_clone_method = HasCloneMethod<T>::value>
-struct CloneTraits;
-
-template <typename T>
-T Clone(const T& input);
-
-template <typename T>
-struct CloneTraits<T, true> {
- static T Clone(const T& input) { return input.Clone(); }
-};
-
-template <typename T>
-struct CloneTraits<T, false> {
- static T Clone(const T& input) { return input; }
-};
-
-template <typename T>
-struct CloneTraits<base::Optional<T>, false> {
- static base::Optional<T> Clone(const base::Optional<T>& input) {
- if (!input)
- return base::nullopt;
-
- return base::Optional<T>(internal::Clone(*input));
- }
-};
-
-template <typename T>
-struct CloneTraits<std::vector<T>, false> {
- static std::vector<T> Clone(const std::vector<T>& input) {
- std::vector<T> result;
- result.reserve(input.size());
- for (const auto& element : input)
- result.push_back(internal::Clone(element));
-
- return result;
- }
-};
-
-template <typename K, typename V>
-struct CloneTraits<std::unordered_map<K, V>, false> {
- static std::unordered_map<K, V> Clone(const std::unordered_map<K, V>& input) {
- std::unordered_map<K, V> result;
- for (const auto& element : input) {
- result.insert(std::make_pair(internal::Clone(element.first),
- internal::Clone(element.second)));
- }
- return result;
- }
-};
-
-template <typename T>
-T Clone(const T& input) {
- return CloneTraits<T>::Clone(input);
-};
-
-template <typename T>
-struct HasEqualsMethod {
- template <typename U>
- static char Test(decltype(&U::Equals));
- template <typename U>
- static int Test(...);
- static const bool value = sizeof(Test<T>(0)) == sizeof(char);
-
- private:
- EnsureTypeIsComplete<T> check_t_;
-};
-
-template <typename T, bool has_equals_method = HasEqualsMethod<T>::value>
-struct EqualsTraits;
-
-template <typename T>
-bool Equals(const T& a, const T& b);
-
-template <typename T>
-struct EqualsTraits<T, true> {
- static bool Equals(const T& a, const T& b) { return a.Equals(b); }
-};
-
-template <typename T>
-struct EqualsTraits<T, false> {
- static bool Equals(const T& a, const T& b) { return a == b; }
-};
-
-template <typename T>
-struct EqualsTraits<base::Optional<T>, false> {
- static bool Equals(const base::Optional<T>& a, const base::Optional<T>& b) {
- if (!a && !b)
- return true;
- if (!a || !b)
- return false;
-
- return internal::Equals(*a, *b);
- }
-};
-
-template <typename T>
-struct EqualsTraits<std::vector<T>, false> {
- static bool Equals(const std::vector<T>& a, const std::vector<T>& b) {
- if (a.size() != b.size())
- return false;
- for (size_t i = 0; i < a.size(); ++i) {
- if (!internal::Equals(a[i], b[i]))
- return false;
- }
- return true;
- }
-};
-
-template <typename K, typename V>
-struct EqualsTraits<std::unordered_map<K, V>, false> {
- static bool Equals(const std::unordered_map<K, V>& a,
- const std::unordered_map<K, V>& b) {
- if (a.size() != b.size())
- return false;
- for (const auto& element : a) {
- auto iter = b.find(element.first);
- if (iter == b.end() || !internal::Equals(element.second, iter->second))
- return false;
- }
- return true;
- }
-};
-
-template <typename T>
-bool Equals(const T& a, const T& b) {
- return EqualsTraits<T>::Equals(a, b);
-}
-
-} // namespace internal
-} // namespace mojo
-
-#endif // MOJO_PUBLIC_CPP_BINDINGS_LIB_CLONE_EQUALS_UTIL_H_
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