Adds ability for accelerators to add key/value pairs to KeyEvent

services/ui/ws/test_change_tracker.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 SERVICES_UI_WS_TEST_CHANGE_TRACKER_H_
 #define SERVICES_UI_WS_TEST_CHANGE_TRACKER_H_
 
 #include <stdint.h>
 
 #include <string>
+#include <unordered_map>
 #include <vector>
 
 #include "base/macros.h"
 #include "services/ui/common/types.h"
 #include "services/ui/public/interfaces/window_tree.mojom.h"
 #include "ui/gfx/geometry/mojo/geometry.mojom.h"
 
 namespace ui {
 
 namespace ws {
@@ skipping 63 matching lines @@
   mojom::OrderDirection direction;
   bool bool_value;
   float float_value;
   std::string property_key;
   std::string property_value;
   int32_t cursor_id;
   uint32_t change_id;
   cc::SurfaceId surface_id;
   gfx::Size frame_size;
   float device_scale_factor;
+  // Set in OnWindowInputEvent() if the event is a KeyEvent.
+  std::unordered_map<std::string, std::vector<uint8_t>> key_event_properties;
 };
 
 // Converts Changes to string descriptions.
 std::vector<std::string> ChangesToDescription1(
     const std::vector<Change>& changes);
 
 // Convenience for returning the description of the first item in |changes|.
 // Returns an empty string if |changes| has something other than one entry.
 std::string SingleChangeToDescription(const std::vector<Change>& changes);
 std::string SingleChangeToDescription2(const std::vector<Change>& changes);
@@ skipping 82 matching lines @@
   std::vector<Change> changes_;
 
   DISALLOW_COPY_AND_ASSIGN(TestChangeTracker);
 };
 
 }  // namespace ws
 
 }  // namespace ui
 
 #endif  // SERVICES_UI_WS_TEST_CHANGE_TRACKER_H_