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

mojo/public/cpp/bindings/lib/clone_equals_util.h

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
index f7bd898c3001c4e8e086d4e8408411061ad9248b..e9628c45ae3b4bdce8ccd937b029deb80788c630 100644
--- a/mojo/public/cpp/bindings/lib/clone_equals_util.h
+++ b/mojo/public/cpp/bindings/lib/clone_equals_util.h
@@ -5,11 +5,14 @@
 #ifndef MOJO_PUBLIC_CPP_BINDINGS_LIB_CLONE_EQUALS_UTIL_H_
 #define MOJO_PUBLIC_CPP_BINDINGS_LIB_CLONE_EQUALS_UTIL_H_
 
+#include <memory>
 #include <type_traits>
 #include <unordered_map>
 #include <vector>
 
+#include "base/memory/ptr_util.h"
 #include "base/optional.h"
+#include "base/values.h"
 #include "mojo/public/cpp/bindings/lib/template_util.h"
 
 namespace mojo {
@@ -77,6 +80,16 @@ struct CloneTraits<std::unordered_map<K, V>, false> {
   }
 };
 
+template <>
+struct CloneTraits<std::unique_ptr<base::DictionaryValue>, false> {
+  static std::unique_ptr<base::DictionaryValue> Clone(
+      const std::unique_ptr<base::DictionaryValue>& input) {
+    auto result = base::MakeUnique<base::DictionaryValue>();
+    result->MergeDictionary(input.get());
+    return result;
+  }
+};
+
 template <typename T>
 T Clone(const T& input) {
   return CloneTraits<T>::Clone(input);