[Mojo Video Capture] Split OnIncomingCapturedVideoFrame() to OnNewBuffer() and OnFrameReadyInBuffer(

mojo/public/cpp/bindings/clone_traits.h

-// Copyright 2016 The Chromium Authors. All rights reserved.
+// Copyright 2017 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_
+#ifndef MOJO_PUBLIC_CPP_BINDINGS_CLONE_TRAITS_H_
+#define MOJO_PUBLIC_CPP_BINDINGS_CLONE_TRAITS_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_;
+  internal::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));
+    return base::Optional<T>(mojo::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));
+      result.push_back(mojo::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)));
+      result.insert(std::make_pair(mojo::Clone(element.first),
+                                   mojo::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_
+#endif  // MOJO_PUBLIC_CPP_BINDINGS_CLONE_TRAITS_H_