Remove windows/mac/ios specific code from //ui

ui/events/platform/platform_event_builder_x_unittest.cc

Index: ui/events/platform/platform_event_builder_x_unittest.cc
diff --git a/ui/events/platform/platform_event_builder_x_unittest.cc b/ui/events/platform/platform_event_builder_x_unittest.cc
index 40b4f4012cf532a25f368d05015e9a1023ac810a..d1d2ecf2ae8296e88919cfab441b0f8b309a9168 100644
--- a/ui/events/platform/platform_event_builder_x_unittest.cc
+++ b/ui/events/platform/platform_event_builder_x_unittest.cc
@@ -104,12 +104,6 @@ TEST_F(PlatformEventBuilderXTest, AutoRepeat) {
   // IBUS-GTK uses the mask (1 << 25) to detect reposted event.
   static_cast<XEvent*>(native_event_a_pressed_nonstandard_state)->xkey.state |=
       1 << 25;
-#elif defined(OS_WIN)
-  const LPARAM lParam_a = GetLParamFromScanCode(kNativeCodeA);
-  const LPARAM lParam_b = GetLParamFromScanCode(kNativeCodeB);
-  MSG native_event_a_pressed = {NULL, WM_KEYDOWN, VKEY_A, lParam_a};
-  MSG native_event_a_released = {NULL, WM_KEYUP, VKEY_A, lParam_a};
-  MSG native_event_b_pressed = {NULL, WM_KEYUP, VKEY_B, lParam_b};
 #endif
   KeyEvent key_a1 = PlatformEventBuilder::BuildKeyEvent(native_event_a_pressed);
   EXPECT_FALSE(key_a1.IsRepeat());