Remove ui::KeyEvent::platform_keycode_

ui/events/ozone/layout/xkb/xkb_keyboard_layout_engine_unittest.cc

 // 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.
 
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/events/event_constants.h"
 #include "ui/events/keycodes/dom/dom_code.h"
 #include "ui/events/keycodes/dom/dom_key.h"
 #include "ui/events/keycodes/keyboard_code_conversion.h"
 #include "ui/events/ozone/layout/keyboard_layout_engine_manager.h"
@@ skipping 799 matching lines @@
     {{DomCode::CAPS_LOCK, XKB_KEY_Caps_Lock}, VKEY_CAPITAL},
     {{DomCode::ENTER, XKB_KEY_Return}, VKEY_RETURN},
     {{DomCode::NUMPAD_ENTER, XKB_KEY_KP_Enter}, VKEY_RETURN},
     {{DomCode::SLEEP, XKB_KEY_XF86Sleep}, VKEY_SLEEP},
   };
   for (const auto& e : kVkeyTestCase) {
     SCOPED_TRACE(static_cast<int>(e.test.dom_code));
     layout_engine_->SetEntry(&e.test);
     DomKey dom_key = DomKey::NONE;
     KeyboardCode key_code = VKEY_UNKNOWN;
-    uint32_t keysym;
     EXPECT_TRUE(layout_engine_->Lookup(e.test.dom_code, EF_NONE, &dom_key,
-                                       &key_code, &keysym));
-    EXPECT_EQ(e.test.keysym, keysym);
+                                       &key_code));
     EXPECT_EQ(e.key_code, key_code);
   }
 }
 
 
 TEST_F(XkbLayoutEngineVkTest, XkbRuleNamesForLayoutName) {
   static const VkTestXkbKeyboardLayoutEngine::RuleNames kVkeyTestCase[] = {
       /* 0 */ {"us", "us", ""},
       /* 1 */ {"jp", "jp", ""},
       /* 2 */ {"us(intl)", "us", "intl"},
@@ skipping 53 matching lines @@
     std::string layout_id;
     std::string layout_variant;
     XkbKeyboardLayoutEngine::ParseLayoutName(e->layout_name, &layout_id,
                                              &layout_variant);
     EXPECT_EQ(layout_id, e->layout);
     EXPECT_EQ(layout_variant, e->variant);
   }
 }
 
 }  // namespace ui