Mojo C++ bindings: more consistent Clone() and Equals().

mojo/public/cpp/system/handle.h

 // Copyright 2014 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_SYSTEM_HANDLE_H_
 #define MOJO_PUBLIC_CPP_SYSTEM_HANDLE_H_
 
 #include <stdint.h>
 #include <limits>
 
@@ skipping 104 matching lines @@
     return rv;
   }
 
   void reset(HandleType handle = HandleType()) {
     CloseIfNecessary();
     handle_ = handle;
   }
 
   bool is_valid() const { return handle_.is_valid(); }
 
+  bool operator==(const ScopedHandleBase& other) const {
+    return handle_.value() == other.get().value();
+  }
+
  private:
   void CloseIfNecessary() {
     if (handle_.is_valid())
       handle_.Close();
   }
 
   HandleType handle_;
 };
 
 template <typename HandleType>
@@ skipping 160 matching lines @@
 }
 
 // Comparison, so that |Handle|s can be used as keys in hash maps.
 inline bool operator==(const Handle a, const Handle b) {
   return a.value() == b.value();
 }
 
 }  // namespace mojo
 
 #endif  // MOJO_PUBLIC_CPP_SYSTEM_HANDLE_H_