Using == instead of Equals for der::Input comparison.

net/der/input.cc

Index: net/der/input.cc
diff --git a/net/der/input.cc b/net/der/input.cc
index 871f9f4ec7dc29a52d645f9c2194c2795d559394..638adbdba975a22e166fb68b4debdaf6a835bc70 100644
--- a/net/der/input.cc
+++ b/net/der/input.cc
@@ -24,12 +24,16 @@ Input::Input(const base::StringPiece& in)
 
 Input::Input(const std::string* s) : Input(base::StringPiece(*s)) {}
 
-bool Input::Equals(const Input& other) const {
+bool Input::operator==(const Input& other) const {
   if (len_ != other.len_)
     return false;
   return memcmp(data_, other.data_, len_) == 0;
 }
 
+bool Input::operator!=(const Input& other) const {
+  return !(*this == other);
+}
+
 std::string Input::AsString() const {
   return std::string(reinterpret_cast<const char*>(data_), len_);
 }